C222133313331333131123313231333133313331333132231323132313233231231   >>    C22213331333133313112331323133313331333133313223132313231323323123   <<    C222133313331333131123313231333133313331333132231323132313233231233   >>      C222133313331333131123313231333133313331333132231323132313233231232   >>