C222133313331333131123313231333133313331333132112312113312233231   >>    C22213331333133313112331323133313331333133313211231211331223323   <<    C222133313331333131123313231333133313331333132112312113312233233   >>      C222133313331333131123313231333133313331333132112312113312233232   >>