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