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

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

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

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

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