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

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

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

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

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