C13223313311212111133133313331323133313331323113313113313113313131221311   >>    C1322331331121211113313331333132313331333132311331311331311331313122131   <<    C13223313311212111133133313331323133313331323113313113313113313131221313   >>      C13223313311212111133133313331323133313331323113313113313113313131221312   >>