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