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