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