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