C13332313311211113313331333133313331323132233133313331333133313231121132211   >>    C1333231331121111331333133313331333132313223313331333133313331323112113221   <<    C13332313311211113313331333133313331323132233133313331333133313231121132213   >>      C13332313311211113313331333133313331323132233133313331333133313231121132212   >>