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