C3133313112331333131123313331323133313231323223313331333131121112131   >>    C313331311233133313112331333132313331323132322331333133313112111213   <<    C3133313112331333131123313331323133313231323223313331333131121112133   >>      C3133313112331333131123313331323133313231323223313331333131121112132   >>