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