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

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

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

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

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