C222133313331333131123313231333133313331333132311233132313231331   >>    C22213331333133313112331323133313331333133313231123313231323133   <<    C222133313331333131123313231333133313331333132311233132313231333   >>      C222133313331333131123313231333133313331333132311233132313231332   >>