C13332313311211113313331333133313331322333133313331333133313231211331   >>    C1333231331121111331333133313331333132233313331333133313331323121133   <<    C13332313311211113313331333133313331322333133313331333133313231211333   >>      C13332313311211113313331333133313331322333133313331333133313231211332   >>