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