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