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