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