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