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

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

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

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

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