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