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