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