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

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

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

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

(0 18 16)(1 19 7)(2)(3)(4)(5 12 6)(8)(9 15 13)(10)(11)(14)(17)