C2221333133313331311233132313331333133313331321123231323222233131   >>    C222133313331333131123313231333133313331333132112323132322223313   <<    C2221333133313331311233132313331333133313331321123231323222233133   >>      C2221333133313331311233132313331333133313331321123231323222233132   >>