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