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