(0 20 17)(1 21 10 6 3)(2 5 4)(7 14 12)(8 19 9)(11 16 13 18 15)
ALLOWS (11/8)-SEQUENCE
1: (0 7 14)
(0 12 7 20 17)(1 21 10 6 3)(2 5 4)(8 19 9)(11 16 13 18 15)(14)
2: (6 21 10)
(0 12 7 20 17)(1 21 3)(2 5 4)(6)(8 19 9)(10)(11 16 13 18 15)(14)
3: (7 20 12)
(0 12 17)(1 21 3)(2 5 4)(6)(7)(8 19 9)(10)(11 16 13 18 15)(14)(20)
4: (11 16 13)
(0 12 17)(1 21 3)(2 5 4)(6)(7)(8 19 9)(10)(11 18 15)(13)(14)(16)(20)