C13223313311212111133133313331323133313112113113313331323331311331322231123311   >>    C1322331331121211113313331333132313331311211311331333132333131133132223112331   <<    C13223313311212111133133313331323133313112113113313331323331311331322231123313   >>      C13223313311212111133133313331323133313112113113313331323331311331322231123312   >>