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