C2221333133313331311233132313331333133313111112111133133313132222331313231   >>    C222133313331333131123313231333133313331311111211113313331313222233131323   <<    C2221333133313331311233132313331333133313111112111133133313132222331313233   >>      C2221333133313331311233132313331333133313111112111133133313132222331313232   >>