C13223313311212111133133313331333132333132312111133131211113313231321123221   >>    C1322331331121211113313331333133313233313231211113313121111331323132112322   <<    C13223313311212111133133313331333132333132312111133131211113313231321123223   >>      C13223313311212111133133313331333132333132312111133131211113313231321123222   >>