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