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