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

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

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

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

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