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

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

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

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

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