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