C222133313331333131123313231333133313331333132112323133313223312321   >>    C22213331333133313112331323133313331333133313211232313331322331232   <<    C222133313331333131123313231333133313331333132112323133313223312323   >>      C222133313331333131123313231333133313331333132112323133313223312322   >>