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