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

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

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

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

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