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

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

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

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

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