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

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

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

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

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