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