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