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