C13332313311211113313331333133313311211331333133313232213132333132313221211   >>    C1333231331121111331333133313331331121133133313331323221313233313231322121   <<    C13332313311211113313331333133313311211331333133313232213132333132313221213   >>      C13332313311211113313331333133313311211331333133313232213132333132313221212   >>