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

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

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

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

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