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