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

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

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

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

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