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