(0 15 2)(1 7 3)(4 14 6)(5 18 16)(8 12 10)(9 20 19)(11 17 13)
ALLOWS (11/8)-SEQUENCE
1: (9 11 17)
(0 15 2)(1 7 3)(4 14 6)(5 18 16)(8 12 10)(9 13 11 20 19)(17)
2: (8 12 10)
(0 15 2)(1 7 3)(4 14 6)(5 18 16)(8)(9 13 11 20 19)(10)(12)(17)
3: (11 20 13)
(0 15 2)(1 7 3)(4 14 6)(5 18 16)(8)(9 13 19)(10)(11)(12)(17)(20)
4: (5 18 16)
(0 15 2)(1 7 3)(4 14 6)(5)(8)(9 13 19)(10)(11)(12)(16)(17)(18)(20)