C222133313331333131123313231333133313331333132112323133313112231231   >>    C22213331333133313112331323133313331333133313211232313331311223123   <<    C222133313331333131123313231333133313331333132112323133313112231233   >>      C222133313331333131123313231333133313331333132112323133313112231232   >>