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