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