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