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