C13332313311211113313331333133313331323132233132313231333131232321311   >>    C1333231331121111331333133313331333132313223313231323133313123232131   <<    C13332313311211113313331333133313331323132233132313231333131232321313   >>      C13332313311211113313331333133313331323132233132313231333131232321312   >>