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