C222133313331333131123313231333133313331313113313331333132213331322221   >>    C22213331333133313112331323133313331333131311331333133313221333132222   <<    C222133313331333131123313231333133313331313113313331333132213331322223   >>      C222133313331333131123313231333133313331313113313331333132213331322222   >>