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

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

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

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

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