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