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