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