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