C13332313311211113313331333133313331323132233133311233132332211   >>    C1333231331121111331333133313331333132313223313331123313233221   <<    C13332313311211113313331333133313331323132233133311233132332213   >>      C13332313311211113313331333133313331323132233133311233132332212   >>