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