C13332313311211113313331333133313331323132233133313331323131333132213121   >>    C1333231331121111331333133313331333132313223313331333132313133313221312   <<    C13332313311211113313331333133313331323132233133313331323131333132213123   >>      C13332313311211113313331333133313331323132233133313331323131333132213122   >>