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

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

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

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

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