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