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