C13332313311211113313331333133313331322331311331323133313123232321   >>    C1333231331121111331333133313331333132233131133132313331312323232   <<    C13332313311211113313331333133313331322331311331323133313123232323   >>      C13332313311211113313331333133313331322331311331323133313123232322   >>