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