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

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

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

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

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