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