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