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