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

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

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

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

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