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