C222133313331333131123313231333133313331333131123313231333133323323232113123231   >>    C22213331333133313112331323133313331333133313112331323133313332332323211312323   <<    C222133313331333131123313231333133313331333131123313231333133323323232113123233   >>      C222133313331333131123313231333133313331333131123313231333133323323232113123232   >>