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