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

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

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

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

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