C222133313331333131123313231333133313331333132112323133313221211332233121   >>    C22213331333133313112331323133313331333133313211232313331322121133223312   <<    C222133313331333131123313231333133313331333132112323133313221211332233123   >>      C222133313331333131123313231333133313331333132112323133313221211332233122   >>