C222133313331333131123313231333133313331323212331333133312233231   >>    C22213331333133313112331323133313331333132321233133313331223323   <<    C222133313331333131123313231333133313331323212331333133312233233   >>      C222133313331333131123313231333133313331323212331333133312233232   >>