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