SkipList dump:
Node has depth 1, Value (null)
SkipList size is: 0
Rectangle rejected: (r_r, -1, -20, 3, 4)
Rectangle rejected: (rec, 7, -8, 1, 3)
Rectangle rejected: (virtual_rec0, 1, 1, 0, 0)
Rectangle rejected: (virtual_REC0, 0, 0, 11, 0)
Rectangle rejected: (inExistRec_0, 1, 1, -1, -2)
Rectangle inserted: (r1, 10, 10, 5, 5)
Rectangle rejected: (11, 11, 0, 0)
Rectangle inserted: (r2, 15, 15, 5, 5)
Rectangle inserted: (r3, 7, 7, 10, 10)
Rectangle inserted: (r4, 20, 25, 7, 9)
Rectangle inserted: (r4, 20, 12, 3, 3)
Rectangle inserted: (r5, 6, 7, 11, 9)
SkipList dump:
Node has depth 4, Value (null)
Node has depth 1, Value (r1, 10, 10, 5, 5)
Node has depth 4, Value (r2, 15, 15, 5, 5)
Node has depth 2, Value (r3, 7, 7, 10, 10)
Node has depth 2, Value (r4, 20, 12, 3, 3)
Node has depth 3, Value (r4, 20, 25, 7, 9)
Node has depth 3, Value (r5, 6, 7, 11, 9)
SkipList size is: 6
Rectangle rejected: (r10, 100, 100, 1000, 10)
Rectangle rejected: (r11, 100, 100, 10, 1000)
Rectangle inserted: (r12, 108, 136, 55, 103)
Rectangle rejected: (r13, 360, 968, 7110, 354)
Rectangle inserted: (r14, 120, 117, 93, 706)
Rectangle inserted: (r15, 120, 117, 93, 706)
Rectangle not removed: (r_r)
Rectangle not removed: (inExistRec)
Rectangles found:
(r4, 20, 12, 3, 3)
(r4, 20, 25, 7, 9)
Rectangle removed: (r4, 20, 12, 3, 3)  #May  differ according to which one was removed!
SkipList dump:
Node has depth 5, Value (null)
Node has depth 1, Value (r1, 10, 10, 5, 5)
Node has depth 2, Value (r12, 108, 136, 55, 103)
Node has depth 5, Value (r14, 120, 117, 93, 706)
Node has depth 1, Value (r15, 120, 117, 93, 706)
Node has depth 4, Value (r2, 15, 15, 5, 5)
Node has depth 2, Value (r3, 7, 7, 10, 10)
Node has depth 3, Value (r4, 20, 25, 7, 9)
Node has depth 3, Value (r5, 6, 7, 11, 9)
SkipList size is: 8
Rectangle removed: (r5, 6, 7, 11, 9)
Rectangle not removed: (r5)
SkipList dump:
Node has depth 5, Value (null)
Node has depth 1, Value (r1, 10, 10, 5, 5)
Node has depth 2, Value (r12, 108, 136, 55, 103)
Node has depth 5, Value (r14, 120, 117, 93, 706)
Node has depth 1, Value (r15, 120, 117, 93, 706)
Node has depth 4, Value (r2, 15, 15, 5, 5)
Node has depth 2, Value (r3, 7, 7, 10, 10)
Node has depth 3, Value (r4, 20, 25, 7, 9)
SkipList size is: 7
Rectangles found:
(r14, 120, 117, 93, 706)
Rectangle not found: r11
Rectangle not found: R11
Rectangle not removed: (r10)
Rectangle not removed: (r11)
Rectangle removed: (r12, 108, 136, 55, 103)
Rectangle not removed: (r13)
Rectangle removed: (r14, 120, 117, 93, 706)
Rectangle rejected: (100, 100, 1000, 10)
Rectangle not removed: (r14)
Rectangles intersecting region (-5, -5, 20, 20): 
(r1, 10, 10, 5, 5)
(r3, 7, 7, 10, 10)
Intersections pairs:
(r1, 10, 10, 5, 5 | r3, 7, 7, 10, 10)
(r2, 15, 15, 5, 5 | r3, 7, 7, 10, 10)
(r3, 7, 7, 10, 10 | r1, 10, 10, 5, 5)
(r3, 7, 7, 10, 10 | r2, 15, 15, 5, 5)
SkipList dump:
Node has depth 5, Value (null)
Node has depth 1, Value (r1, 10, 10, 5, 5)
Node has depth 1, Value (r15, 120, 117, 93, 706)
Node has depth 4, Value (r2, 15, 15, 5, 5)
Node has depth 2, Value (r3, 7, 7, 10, 10)
Node has depth 3, Value (r4, 20, 25, 7, 9)
SkipList size is: 5
Rectangles found:
(r2, 15, 15, 5, 5)
Rectangles found:
(r4, 20, 25, 7, 9)