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

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

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

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

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