C2221333133313331311233132313331333133313331323321232313231323221233131   >>    C222133313331333131123313231333133313331333132332123231323132322123313   <<    C2221333133313331311233132313331333133313331323321232313231323221233133   >>      C2221333133313331311233132313331333133313331323321232313231323221233132   >>