C222133313331333131123313231333133313331333132233312111133131231323331323221331   >>    C22213331333133313112331323133313331333133313223331211113313123132333132322133   <<    C222133313331333131123313231333133313331333132233312111133131231323331323221333   >>      C222133313331333131123313231333133313331333132233312111133131231323331323221332   >>