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