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