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

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

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

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

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