C222133313331333131123313231333133313331323113313231333133313311231221   >>    C22213331333133313112331323133313331333132311331323133313331331123122   <<    C222133313331333131123313231333133313331323113313231333133313311231223   >>      C222133313331333131123313231333133313331323113313231333133313311231222   >>