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