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