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

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

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

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

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