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