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