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