C222133313331333131123313231333133313331333132112323133313221211111211332121   >>    C22213331333133313112331323133313331333133313211232313331322121111121133212   <<    C222133313331333131123313231333133313331333132112323133313221211111211332123   >>      C222133313331333131123313231333133313331333132112323133313221211111211332122   >>