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