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