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btree.log
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btree.log
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INFO - === binary range searching cases ===
INFO - insert 10:
INFO - 10: 0, 0 [] of []
INFO - 10: 0, 1 [10] of [10]
INFO - insert 10:
INFO - 10: 0, 1 [10] of [10]
INFO - 10: 0, 2 [10, 10] of [10, 10]
INFO - insert 8:
INFO - 8: 0, 0 [] of [10, 10]
INFO - 8: 0, 1 [8] of [8, 10, 10]
INFO - insert 12:
INFO - 12: 3, 3 [] of [8, 10, 10]
INFO - 12: 3, 4 [12] of [8, 10, 10, 12]
INFO - insert 9:
INFO - 9: 1, 1 [] of [8, 10, 10, 12]
INFO - 9: 1, 2 [9] of [8, 9, 10, 10, 12]
INFO - insert 11:
INFO - 11: 4, 4 [] of [8, 9, 10, 10, 12]
INFO - 11: 4, 5 [11] of [8, 9, 10, 10, 11, 12]
INFO - 18: 0, 0 [] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 19: 0, 0 [] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 20: 0, 1 [20] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 21: 1, 1 [] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 22: 1, 2 [22] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 30: 5, 6 [30] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 38: 9, 10 [38] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 39: 10, 10 [] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 40: 10, 11 [40] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 41: 11, 11 [] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 42: 11, 11 [] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - insert 30:
INFO - 30: 5, 6 [30] of [20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40]
INFO - 30: 5, 7 [30, 30] of [20, 22, 24, 26, 28, 30, 30, 32, 34, 36, 38, 40]
INFO - insert 30:
INFO - 30: 5, 7 [30, 30] of [20, 22, 24, 26, 28, 30, 30, 32, 34, 36, 38, 40]
INFO - 30: 5, 8 [30, 30, 30] of [20, 22, 24, 26, 28, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - insert 30:
INFO - 30: 5, 8 [30, 30, 30] of [20, 22, 24, 26, 28, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - 30: 5, 9 [30, 30, 30, 30] of [20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - insert 18:
INFO - 18: 0, 0 [] of [20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - 18: 0, 1 [18] of [18, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - insert 19:
INFO - 19: 1, 1 [] of [18, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - 19: 1, 2 [19] of [18, 19, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - insert 39:
INFO - 39: 15, 15 [] of [18, 19, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 40]
INFO - 39: 15, 16 [39] of [18, 19, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 39, 40]
INFO - insert 41:
INFO - 41: 17, 17 [] of [18, 19, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 39, 40]
INFO - 41: 17, 18 [41] of [18, 19, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 39, 40, 41]
INFO - insert 42:
INFO - 42: 18, 18 [] of [18, 19, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 39, 40, 41]
INFO - 42: 18, 19 [42] of [18, 19, 20, 22, 24, 26, 28, 30, 30, 30, 30, 32, 34, 36, 38, 39, 40, 41, 42]
INFO - === insert, traverse and bt_key order test ===
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 0, items: 0
INFO - ---------------
INFO - randomly insert each letter of "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" into a btree
INFO - +++ insert_kv(bt_key: c, value: 0)
INFO - +++ insert(item: c: 0)
INFO - +++ insert_kv(bt_key: 6, value: 1)
INFO - +++ insert(item: 6: 1)
INFO - +++ insert_kv(bt_key: Y, value: 2)
INFO - +++ insert(item: Y: 2)
INFO - +++ insert_kv(bt_key: E, value: 3)
INFO - +++ insert(item: E: 3)
INFO - +++ insert_kv(bt_key: T, value: 4)
INFO - +++ insert(item: T: 4)
INFO - +++ insert_kv(bt_key: z, value: 5)
INFO - +++ insert(item: z: 5)
INFO - +++ insert_kv(bt_key: k, value: 6)
INFO - +++ insert(item: k: 6)
INFO - +++ insert_kv(bt_key: t, value: 7)
INFO - +++ insert(item: t: 7)
INFO - +++ insert_kv(bt_key: Q, value: 8)
INFO - +++ insert(item: Q: 8)
INFO - +++ insert_kv(bt_key: L, value: 9)
INFO - +++ insert(item: L: 9)
INFO - +++ insert_kv(bt_key: H, value: 10)
INFO - +++ insert(item: H: 10)
INFO - +++ insert_kv(bt_key: W, value: 11)
INFO - +++ insert(item: W: 11)
INFO - +++ insert_kv(bt_key: g, value: 12)
INFO - +++ insert(item: g: 12)
INFO - +++ insert_kv(bt_key: X, value: 13)
INFO - +++ insert(item: X: 13)
INFO - +++ insert_kv(bt_key: b, value: 14)
INFO - +++ insert(item: b: 14)
INFO - +++ insert_kv(bt_key: J, value: 15)
INFO - +++ insert(item: J: 15)
INFO - +++ insert_kv(bt_key: V, value: 16)
INFO - +++ insert(item: V: 16)
INFO - +++ insert_kv(bt_key: a, value: 17)
INFO - +++ insert(item: a: 17)
INFO - +++ insert_kv(bt_key: p, value: 18)
INFO - +++ insert(item: p: 18)
INFO - +++ insert_kv(bt_key: G, value: 19)
INFO - +++ insert(item: G: 19)
INFO - +++ insert_kv(bt_key: v, value: 20)
INFO - +++ insert(item: v: 20)
INFO - +++ insert_kv(bt_key: h, value: 21)
INFO - +++ insert(item: h: 21)
INFO - +++ insert_kv(bt_key: M, value: 22)
INFO - +++ insert(item: M: 22)
INFO - +++ insert_kv(bt_key: B, value: 23)
INFO - +++ insert(item: B: 23)
INFO - +++ insert_kv(bt_key: U, value: 24)
INFO - +++ insert(item: U: 24)
INFO - +++ insert_kv(bt_key: s, value: 25)
INFO - +++ insert(item: s: 25)
INFO - +++ insert_kv(bt_key: I, value: 26)
INFO - +++ insert(item: I: 26)
INFO - +++ insert_kv(bt_key: C, value: 27)
INFO - +++ insert(item: C: 27)
INFO - +++ insert_kv(bt_key: y, value: 28)
INFO - +++ insert(item: y: 28)
INFO - +++ insert_kv(bt_key: u, value: 29)
INFO - +++ insert(item: u: 29)
INFO - +++ insert_kv(bt_key: O, value: 30)
INFO - +++ insert(item: O: 30)
INFO - +++ insert_kv(bt_key: o, value: 31)
INFO - +++ insert(item: o: 31)
INFO - +++ insert_kv(bt_key: l, value: 32)
INFO - +++ insert(item: l: 32)
INFO - +++ insert_kv(bt_key: S, value: 33)
INFO - +++ insert(item: S: 33)
INFO - +++ insert_kv(bt_key: x, value: 34)
INFO - +++ insert(item: x: 34)
INFO - +++ insert_kv(bt_key: N, value: 35)
INFO - +++ insert(item: N: 35)
INFO - +++ insert_kv(bt_key: r, value: 36)
INFO - +++ insert(item: r: 36)
INFO - +++ insert_kv(bt_key: q, value: 37)
INFO - +++ insert(item: q: 37)
INFO - +++ insert_kv(bt_key: Z, value: 38)
INFO - +++ insert(item: Z: 38)
INFO - +++ insert_kv(bt_key: 4, value: 39)
INFO - +++ insert(item: 4: 39)
INFO - +++ insert_kv(bt_key: 0, value: 40)
INFO - +++ insert(item: 0: 40)
INFO - +++ insert_kv(bt_key: R, value: 41)
INFO - +++ insert(item: R: 41)
INFO - +++ insert_kv(bt_key: 8, value: 42)
INFO - +++ insert(item: 8: 42)
INFO - +++ insert_kv(bt_key: P, value: 43)
INFO - +++ insert(item: P: 43)
INFO - +++ insert_kv(bt_key: 5, value: 44)
INFO - +++ insert(item: 5: 44)
INFO - +++ insert_kv(bt_key: e, value: 45)
INFO - +++ insert(item: e: 45)
INFO - +++ insert_kv(bt_key: i, value: 46)
INFO - +++ insert(item: i: 46)
INFO - +++ insert_kv(bt_key: 1, value: 47)
INFO - +++ insert(item: 1: 47)
INFO - +++ insert_kv(bt_key: d, value: 48)
INFO - +++ insert(item: d: 48)
INFO - +++ insert_kv(bt_key: D, value: 49)
INFO - +++ insert(item: D: 49)
INFO - +++ insert_kv(bt_key: 9, value: 50)
INFO - +++ insert(item: 9: 50)
INFO - +++ insert_kv(bt_key: 2, value: 51)
INFO - +++ insert(item: 2: 51)
INFO - +++ insert_kv(bt_key: 3, value: 52)
INFO - +++ insert(item: 3: 52)
INFO - +++ insert_kv(bt_key: 7, value: 53)
INFO - +++ insert(item: 7: 53)
INFO - +++ insert_kv(bt_key: n, value: 54)
INFO - +++ insert(item: n: 54)
INFO - +++ insert_kv(bt_key: K, value: 55)
INFO - +++ insert(item: K: 55)
INFO - +++ insert_kv(bt_key: f, value: 56)
INFO - +++ insert(item: f: 56)
INFO - +++ insert_kv(bt_key: F, value: 57)
INFO - +++ insert(item: F: 57)
INFO - +++ insert_kv(bt_key: w, value: 58)
INFO - +++ insert(item: w: 58)
INFO - +++ insert_kv(bt_key: A, value: 59)
INFO - +++ insert(item: A: 59)
INFO - +++ insert_kv(bt_key: m, value: 60)
INFO - +++ insert(item: m: 60)
INFO - +++ insert_kv(bt_key: j, value: 61)
INFO - +++ insert(item: j: 61)
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 3, items: 62
INFO - *0: 40
INFO - *1: 47
INFO - *2: 51
INFO - 3: 52
INFO - *4: 39
INFO - 5: 44
INFO - *6: 1
INFO - *7: 53
INFO - *8: 42
INFO - *9: 50
INFO - A: 59
INFO - *B: 23
INFO - *C: 27
INFO - D: 49
INFO - *E: 3
INFO - *F: 57
INFO - G: 19
INFO - H: 10
INFO - *I: 26
INFO - J: 15
INFO - K: 55
INFO - *L: 9
INFO - *M: 22
INFO - N: 35
INFO - *O: 30
INFO - *P: 43
INFO - Q: 8
INFO - *R: 41
INFO - S: 33
INFO - *T: 4
INFO - *U: 24
INFO - V: 16
INFO - *W: 11
INFO - X: 13
INFO - Y: 2
INFO - *Z: 38
INFO - a: 17
INFO - *b: 14
INFO - *c: 0
INFO - d: 48
INFO - e: 45
INFO - *f: 56
INFO - g: 12
INFO - *h: 21
INFO - i: 46
INFO - j: 61
INFO - *k: 6
INFO - *l: 32
INFO - m: 60
INFO - n: 54
INFO - *o: 31
INFO - *p: 18
INFO - q: 37
INFO - *r: 36
INFO - s: 25
INFO - *t: 7
INFO - *u: 29
INFO - v: 20
INFO - *w: 58
INFO - x: 34
INFO - *y: 28
INFO - z: 5
INFO - ---------------
INFO - sorted letters: 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
INFO - letters in btree: 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
INFO - letter order in btree is correct
INFO - === iterator and sequence test ===
INFO - get items by indices, like: "for item in btree[35:9:-1]"
INFO - Z: 38
INFO - Y: 2
INFO - X: 13
INFO - W: 11
INFO - V: 16
INFO - U: 24
INFO - T: 4
INFO - S: 33
INFO - R: 41
INFO - Q: 8
INFO - P: 43
INFO - O: 30
INFO - N: 35
INFO - M: 22
INFO - L: 9
INFO - K: 55
INFO - J: 15
INFO - I: 26
INFO - H: 10
INFO - G: 19
INFO - F: 57
INFO - E: 3
INFO - D: 49
INFO - C: 27
INFO - B: 23
INFO - A: 59
INFO - btree[10]: A: 59
INFO - del btree[10]
INFO - --- delete(bt_key: None, item: A: 59) = A: 59
INFO - btree[10]: B: 23
INFO - "btree[20] in btr" is True
INFO - === search() and delete() test ===
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 0, items: 0
INFO - ---------------
INFO - +++ insert_kv(bt_key: 0, value: 0)
INFO - +++ insert(item: 0: 0)
INFO - +++ insert_kv(bt_key: 1, value: 1)
INFO - +++ insert(item: 1: 1)
INFO - +++ insert_kv(bt_key: 2, value: 2)
INFO - +++ insert(item: 2: 2)
INFO - +++ insert_kv(bt_key: 3, value: 3)
INFO - +++ insert(item: 3: 3)
INFO - +++ insert_kv(bt_key: 4, value: 4)
INFO - +++ insert(item: 4: 4)
INFO - +++ insert_kv(bt_key: 5, value: 5)
INFO - +++ insert(item: 5: 5)
INFO - +++ insert_kv(bt_key: 6, value: 6)
INFO - +++ insert(item: 6: 6)
INFO - +++ insert_kv(bt_key: 7, value: 7)
INFO - +++ insert(item: 7: 7)
INFO - +++ insert_kv(bt_key: 8, value: 8)
INFO - +++ insert(item: 8: 8)
INFO - +++ insert_kv(bt_key: 9, value: 9)
INFO - +++ insert(item: 9: 9)
INFO - +++ insert_kv(bt_key: 10, value: 10)
INFO - +++ insert(item: 10: 10)
INFO - +++ insert_kv(bt_key: 11, value: 11)
INFO - +++ insert(item: 11: 11)
INFO - +++ insert_kv(bt_key: 12, value: 12)
INFO - +++ insert(item: 12: 12)
INFO - +++ insert_kv(bt_key: 13, value: 13)
INFO - +++ insert(item: 13: 13)
INFO - +++ insert(item: 4: 4.1)
INFO - +++ insert(item: 4: 4.2)
INFO - +++ insert(item: 4: 4.3)
INFO - +++ insert(item: 4: 4.4)
INFO - +++ insert(item: 4: 4.5)
INFO - +++ insert(item: 4: 4.6)
INFO - +++ insert(item: 4: 4.7)
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 21
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *4: 4
INFO - *4: 4.1
INFO - *4: 4.2
INFO - 4: 4.3
INFO - *4: 4.4
INFO - *4: 4.5
INFO - *4: 4.6
INFO - 4: 4.7
INFO - 5: 5
INFO - *6: 6
INFO - 7: 7
INFO - *8: 8
INFO - *9: 9
INFO - *10: 10
INFO - 11: 11
INFO - *12: 12
INFO - 13: 13
INFO - ---------------
INFO - ... search(bt_key: 4) = #8: [4: 4, 4: 4.1, 4: 4.2, 4: 4.3, 4: 4.4, 4: 4.5, 4: 4.6, 4: 4.7]
INFO - ... search(bt_key: 40) = #0: []
INFO - --- delete(bt_key: 5, item: None) = 5: 5
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 20
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *4: 4
INFO - *4: 4.1
INFO - *4: 4.2
INFO - 4: 4.3
INFO - *4: 4.4
INFO - *4: 4.5
INFO - *4: 4.6
INFO - 4: 4.7
INFO - *6: 6
INFO - 7: 7
INFO - *8: 8
INFO - *9: 9
INFO - *10: 10
INFO - 11: 11
INFO - *12: 12
INFO - 13: 13
INFO - ---------------
INFO - what happens if delete a non-exist bt_key?
INFO - --- delete(bt_key: 5, item: None) = None
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 20
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *4: 4
INFO - *4: 4.1
INFO - *4: 4.2
INFO - 4: 4.3
INFO - *4: 4.4
INFO - *4: 4.5
INFO - *4: 4.6
INFO - 4: 4.7
INFO - 6: 6
INFO - 7: 7
INFO - *8: 8
INFO - *9: 9
INFO - *10: 10
INFO - 11: 11
INFO - *12: 12
INFO - 13: 13
INFO - ---------------
INFO - what happens if delete a removed item?
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 20
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *4: 4
INFO - *4: 4.1
INFO - *4: 4.2
INFO - 4: 4.3
INFO - *4: 4.4
INFO - *4: 4.5
INFO - *4: 4.6
INFO - 4: 4.7
INFO - 6: 6
INFO - 7: 7
INFO - *8: 8
INFO - 9: 9
INFO - *10: 10
INFO - *11: 11
INFO - *12: 12
INFO - 13: 13
INFO - ---------------
INFO - delete the 4th item which bt_key is "4"
INFO - ... search(bt_key: 4) = #8: [4: 4, 4: 4.1, 4: 4.2, 4: 4.3, 4: 4.4, 4: 4.5, 4: 4.6, 4: 4.7]
INFO - --- delete(bt_key: 4, item: 4: 4.3) = 4: 4.3
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 19
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *4: 4
INFO - 4: 4.1
INFO - *4: 4.2
INFO - *4: 4.4
INFO - 4: 4.5
INFO - *4: 4.6
INFO - 4: 4.7
INFO - 6: 6
INFO - *7: 7
INFO - *8: 8
INFO - 9: 9
INFO - *10: 10
INFO - *11: 11
INFO - *12: 12
INFO - 13: 13
INFO - ---------------
INFO - delete all rest items which bt_key is "4"
INFO - --- delete_all(bt_key: 4)
INFO - --- delete(bt_key: 4, item: None) = 4: 4
INFO - --- delete(bt_key: 4, item: None) = 4: 4.1
INFO - --- delete(bt_key: 4, item: None) = 4: 4.2
INFO - --- delete(bt_key: 4, item: None) = 4: 4.4
INFO - --- delete(bt_key: 4, item: None) = 4: 4.5
INFO - --- delete(bt_key: 4, item: None) = 4: 4.6
INFO - --- delete(bt_key: 4, item: None) = 4: 4.7
INFO - --- delete(bt_key: 4, item: None) = None
INFO - delete_all removed #7: [4: 4, 4: 4.1, 4: 4.2, 4: 4.4, 4: 4.5, 4: 4.6, 4: 4.7]
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 12
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *6: 6
INFO - 7: 7
INFO - 8: 8
INFO - *9: 9
INFO - *10: 10
INFO - 11: 11
INFO - *12: 12
INFO - 13: 13
INFO - ---------------
INFO - delete bt_key in reversed(range(15))
INFO - --- delete(bt_key: 14, item: None) = None
INFO - --- delete(bt_key: 13, item: None) = 13: 13
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 11
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *6: 6
INFO - 7: 7
INFO - 8: 8
INFO - *9: 9
INFO - *10: 10
INFO - 11: 11
INFO - *12: 12
INFO - ---------------
INFO - --- delete(bt_key: 12, item: None) = 12: 12
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 2, items: 10
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - *3: 3
INFO - *6: 6
INFO - 7: 7
INFO - 8: 8
INFO - *9: 9
INFO - *10: 10
INFO - 11: 11
INFO - ---------------
INFO - --- delete(bt_key: 11, item: None) = 11: 11
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 1, items: 9
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - 3: 3
INFO - *6: 6
INFO - 7: 7
INFO - 8: 8
INFO - 9: 9
INFO - *10: 10
INFO - ---------------
INFO - --- delete(bt_key: 10, item: None) = 10: 10
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 1, items: 8
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - 3: 3
INFO - *6: 6
INFO - 7: 7
INFO - 8: 8
INFO - *9: 9
INFO - ---------------
INFO - --- delete(bt_key: 9, item: None) = 9: 9
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 1, items: 7
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - 3: 3
INFO - *6: 6
INFO - 7: 7
INFO - *8: 8
INFO - ---------------
INFO - --- delete(bt_key: 8, item: None) = 8: 8
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 1, items: 6
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - 3: 3
INFO - *6: 6
INFO - 7: 7
INFO - ---------------
INFO - --- delete(bt_key: 7, item: None) = 7: 7
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 1, items: 5
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - 3: 3
INFO - *6: 6
INFO - ---------------
INFO - --- delete(bt_key: 6, item: None) = 6: 6
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 1, items: 4
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - 3: 3
INFO - ---------------
INFO - --- delete(bt_key: 5, item: None) = None
INFO - --- delete(bt_key: 4, item: None) = None
INFO - --- delete(bt_key: 3, item: None) = 3: 3
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 1, items: 3
INFO - *0: 0
INFO - *1: 1
INFO - *2: 2
INFO - ---------------
INFO - --- delete(bt_key: 2, item: None) = 2: 2
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 0, items: 2
INFO - *0: 0
INFO - 1: 1
INFO - ---------------
INFO - --- delete(bt_key: 1, item: None) = 1: 1
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 0, items: 1
INFO - *0: 0
INFO - ---------------
INFO - --- delete(bt_key: 0, item: None) = 0: 0
INFO - B-Tree Order: 4, minimum degree: 2, #items/node: 1 - 3, height: 0, items: 0
INFO - ---------------
INFO - B-Tree Order: 8, minimum degree: 4, #items/node: 3 - 7, height: 0, items: 0
INFO - ---------------
INFO - insert: "=bt_key=" in range(1000)
INFO - delete: bt_key in range(1000)
INFO - B-Tree Order: 8, minimum degree: 4, #items/node: 3 - 7, height: 0, items: 0
INFO - ---------------
INFO - insert: "+bt_key+" in range(1000)
INFO - insert: "#bt_key###" in reversed(range(100, 200, 2))
INFO - B-Tree Order: 8, minimum degree: 4, #items/node: 3 - 7, height: 4, items: 1050
INFO - *0: +0+
INFO - 1: +1+
INFO - 2: +2+
INFO - *3: +3+
INFO - *4: +4+
INFO - 5: +5+
INFO - 6: +6+
INFO - 7: +7+
INFO - *8: +8+
INFO - 9: +9+
INFO - 10: +10+
INFO - 11: +11+
INFO - *12: +12+
INFO - 13: +13+
INFO - 14: +14+
INFO - *15: +15+
INFO - *16: +16+
INFO - 17: +17+
INFO - 18: +18+
INFO - *19: +19+
INFO - *20: +20+
INFO - 21: +21+
INFO - 22: +22+
INFO - 23: +23+
INFO - *24: +24+
INFO - 25: +25+
INFO - 26: +26+
INFO - 27: +27+
INFO - *28: +28+
INFO - 29: +29+
INFO - 30: +30+
INFO - 31: +31+
INFO - *32: +32+
INFO - 33: +33+
INFO - 34: +34+
INFO - *35: +35+
INFO - *36: +36+
INFO - 37: +37+
INFO - 38: +38+
INFO - 39: +39+
INFO - *40: +40+
INFO - 41: +41+
INFO - 42: +42+
INFO - 43: +43+
INFO - *44: +44+
INFO - 45: +45+
INFO - 46: +46+
INFO - 47: +47+
INFO - *48: +48+
INFO - 49: +49+
INFO - 50: +50+
INFO - *51: +51+
INFO - *52: +52+
INFO - 53: +53+
INFO - 54: +54+
INFO - 55: +55+
INFO - *56: +56+
INFO - 57: +57+
INFO - 58: +58+
INFO - 59: +59+
INFO - *60: +60+
INFO - 61: +61+
INFO - 62: +62+
INFO - *63: +63+
INFO - *64: +64+
INFO - 65: +65+
INFO - 66: +66+
INFO - *67: +67+
INFO - *68: +68+
INFO - 69: +69+
INFO - 70: +70+
INFO - 71: +71+
INFO - *72: +72+
INFO - 73: +73+
INFO - 74: +74+
INFO - 75: +75+
INFO - *76: +76+
INFO - 77: +77+
INFO - 78: +78+
INFO - *79: +79+
INFO - *80: +80+
INFO - 81: +81+
INFO - 82: +82+
INFO - *83: +83+
INFO - *84: +84+
INFO - 85: +85+
INFO - 86: +86+
INFO - 87: +87+
INFO - *88: +88+
INFO - 89: +89+
INFO - 90: +90+
INFO - 91: +91+
INFO - *92: +92+
INFO - 93: +93+
INFO - 94: +94+
INFO - 95: +95+
INFO - *96: +96+
INFO - 97: +97+
INFO - 98: +98+
INFO - *99: +99+
INFO - *100: +100+
INFO - 100: #100###
INFO - 101: +101+
INFO - 102: +102+
INFO - 102: #102###
INFO - 103: +103+
INFO - *104: +104+
INFO - 104: #104###
INFO - 105: +105+
INFO - 106: +106+
INFO - 106: #106###
INFO - 107: +107+
INFO - *108: +108+
INFO - 108: #108###
INFO - 109: +109+
INFO - 110: +110+
INFO - 110: #110###
INFO - 111: +111+
INFO - *112: +112+
INFO - 112: #112###
INFO - 113: +113+
INFO - 114: +114+
INFO - 114: #114###
INFO - *115: +115+
INFO - *116: +116+
INFO - 116: #116###
INFO - 117: +117+
INFO - 118: +118+
INFO - 118: #118###
INFO - 119: +119+
INFO - *120: +120+
INFO - 120: #120###
INFO - 121: +121+
INFO - 122: +122+
INFO - 122: #122###
INFO - 123: +123+
INFO - *124: +124+
INFO - 124: #124###
INFO - 125: +125+
INFO - 126: +126+
INFO - 126: #126###
INFO - 127: +127+
INFO - *128: +128+
INFO - 128: #128###
INFO - 129: +129+
INFO - 130: +130+
INFO - 130: #130###
INFO - *131: +131+
INFO - *132: +132+
INFO - 132: #132###
INFO - 133: +133+
INFO - 134: +134+
INFO - 134: #134###
INFO - 135: +135+
INFO - *136: +136+
INFO - 136: #136###
INFO - 137: +137+
INFO - 138: +138+
INFO - 138: #138###
INFO - 139: +139+
INFO - *140: +140+
INFO - 140: #140###
INFO - 141: +141+
INFO - 142: +142+
INFO - 142: #142###
INFO - *143: +143+
INFO - *144: +144+
INFO - 144: #144###
INFO - 145: +145+
INFO - 146: +146+
INFO - 146: #146###
INFO - *147: +147+
INFO - *148: +148+
INFO - 148: #148###
INFO - 149: +149+
INFO - 150: +150+
INFO - 150: #150###
INFO - 151: +151+
INFO - *152: +152+
INFO - 152: #152###
INFO - 153: +153+
INFO - 154: +154+
INFO - 154: #154###
INFO - 155: +155+
INFO - *156: +156+
INFO - 156: #156###
INFO - 157: +157+
INFO - 158: +158+
INFO - 158: #158###
INFO - 159: +159+
INFO - *160: +160+
INFO - 160: #160###
INFO - 161: +161+
INFO - 162: +162+
INFO - 162: #162###
INFO - *163: +163+
INFO - *164: +164+
INFO - 164: #164###
INFO - 165: +165+
INFO - 166: +166+
INFO - 166: #166###
INFO - 167: +167+
INFO - *168: +168+
INFO - 168: #168###
INFO - 169: +169+
INFO - 170: +170+
INFO - 170: #170###
INFO - 171: +171+
INFO - *172: +172+
INFO - 172: #172###
INFO - 173: +173+
INFO - 174: +174+
INFO - 174: #174###
INFO - 175: +175+
INFO - *176: +176+
INFO - 176: #176###
INFO - 177: +177+
INFO - 178: +178+
INFO - 178: #178###
INFO - *179: +179+
INFO - *180: +180+
INFO - 180: #180###
INFO - 181: +181+
INFO - 182: +182+
INFO - 182: #182###
INFO - 183: +183+
INFO - *184: +184+
INFO - 184: #184###
INFO - 185: +185+
INFO - 186: +186+
INFO - 186: #186###
INFO - 187: +187+
INFO - *188: +188+
INFO - 188: #188###
INFO - 189: +189+
INFO - 190: +190+
INFO - 190: #190###
INFO - 191: +191+
INFO - *192: +192+
INFO - 192: #192###
INFO - 193: +193+
INFO - 194: +194+
INFO - 194: #194###
INFO - *195: +195+
INFO - *196: +196+
INFO - 196: #196###
INFO - 197: +197+
INFO - 198: +198+
INFO - 198: #198###
INFO - 199: +199+
INFO - *200: +200+
INFO - 201: +201+
INFO - 202: +202+
INFO - 203: +203+
INFO - *204: +204+
INFO - 205: +205+
INFO - 206: +206+
INFO - *207: +207+
INFO - *208: +208+
INFO - 209: +209+
INFO - 210: +210+
INFO - *211: +211+
INFO - *212: +212+
INFO - 213: +213+
INFO - 214: +214+
INFO - 215: +215+
INFO - *216: +216+
INFO - 217: +217+
INFO - 218: +218+
INFO - 219: +219+
INFO - *220: +220+
INFO - 221: +221+
INFO - 222: +222+
INFO - 223: +223+
INFO - *224: +224+
INFO - 225: +225+
INFO - 226: +226+
INFO - *227: +227+
INFO - *228: +228+
INFO - 229: +229+
INFO - 230: +230+
INFO - 231: +231+
INFO - *232: +232+
INFO - 233: +233+
INFO - 234: +234+
INFO - 235: +235+
INFO - *236: +236+
INFO - 237: +237+
INFO - 238: +238+
INFO - 239: +239+
INFO - *240: +240+
INFO - 241: +241+
INFO - 242: +242+
INFO - *243: +243+
INFO - *244: +244+
INFO - 245: +245+
INFO - 246: +246+
INFO - 247: +247+
INFO - *248: +248+
INFO - 249: +249+
INFO - 250: +250+
INFO - 251: +251+
INFO - *252: +252+
INFO - 253: +253+
INFO - 254: +254+
INFO - *255: +255+
INFO - *256: +256+
INFO - 257: +257+
INFO - 258: +258+
INFO - *259: +259+
INFO - *260: +260+
INFO - 261: +261+
INFO - 262: +262+
INFO - 263: +263+
INFO - *264: +264+
INFO - 265: +265+
INFO - 266: +266+
INFO - 267: +267+
INFO - *268: +268+
INFO - 269: +269+
INFO - 270: +270+
INFO - *271: +271+
INFO - *272: +272+
INFO - 273: +273+
INFO - 274: +274+
INFO - *275: +275+
INFO - *276: +276+
INFO - 277: +277+
INFO - 278: +278+
INFO - 279: +279+
INFO - *280: +280+
INFO - 281: +281+
INFO - 282: +282+
INFO - 283: +283+
INFO - *284: +284+
INFO - 285: +285+
INFO - 286: +286+
INFO - 287: +287+
INFO - *288: +288+
INFO - 289: +289+
INFO - 290: +290+
INFO - *291: +291+
INFO - *292: +292+
INFO - 293: +293+
INFO - 294: +294+
INFO - 295: +295+
INFO - *296: +296+
INFO - 297: +297+
INFO - 298: +298+
INFO - 299: +299+
INFO - *300: +300+
INFO - 301: +301+
INFO - 302: +302+
INFO - 303: +303+
INFO - *304: +304+
INFO - 305: +305+
INFO - 306: +306+
INFO - *307: +307+
INFO - *308: +308+
INFO - 309: +309+
INFO - 310: +310+
INFO - 311: +311+
INFO - *312: +312+
INFO - 313: +313+
INFO - 314: +314+
INFO - 315: +315+
INFO - *316: +316+
INFO - 317: +317+
INFO - 318: +318+
INFO - *319: +319+
INFO - *320: +320+
INFO - 321: +321+
INFO - 322: +322+
INFO - *323: +323+
INFO - *324: +324+
INFO - 325: +325+
INFO - 326: +326+
INFO - 327: +327+
INFO - *328: +328+
INFO - 329: +329+
INFO - 330: +330+
INFO - 331: +331+
INFO - *332: +332+
INFO - 333: +333+
INFO - 334: +334+
INFO - *335: +335+
INFO - *336: +336+
INFO - 337: +337+
INFO - 338: +338+
INFO - *339: +339+
INFO - *340: +340+
INFO - 341: +341+
INFO - 342: +342+
INFO - 343: +343+
INFO - *344: +344+
INFO - 345: +345+
INFO - 346: +346+
INFO - 347: +347+
INFO - *348: +348+
INFO - 349: +349+
INFO - 350: +350+
INFO - 351: +351+
INFO - *352: +352+
INFO - 353: +353+
INFO - 354: +354+
INFO - *355: +355+
INFO - *356: +356+
INFO - 357: +357+
INFO - 358: +358+
INFO - 359: +359+
INFO - *360: +360+
INFO - 361: +361+
INFO - 362: +362+
INFO - 363: +363+
INFO - *364: +364+
INFO - 365: +365+
INFO - 366: +366+
INFO - 367: +367+
INFO - *368: +368+
INFO - 369: +369+
INFO - 370: +370+