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

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

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

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

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