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