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

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

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

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

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