C222133313331333131123313231333133313331333132112323133313233131231   >>    C22213331333133313112331323133313331333133313211232313331323313123   <<    C222133313331333131123313231333133313331333132112323133313233131233   >>      C222133313331333131123313231333133313331333132112323133313233131232   >>