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