C222133313331333131123313231333133313331333132311233131121133131223223311   >>    C22213331333133313112331323133313331333133313231123313112113313122322331   <<    C222133313331333131123313231333133313331333132311233131121133131223223313   >>      C222133313331333131123313231333133313331333132311233131121133131223223312   >>