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

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

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

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

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