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