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

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

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

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

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