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

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

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

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

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