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