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