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