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

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

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

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

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