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