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