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

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

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

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

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