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

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

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

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

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