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