C13332313311211113313331333133313331322333133313331333133313231232323321   >>    C1333231331121111331333133313331333132233313331333133313331323123232332   <<    C13332313311211113313331333133313331322333133313331333133313231232323323   >>      C13332313311211113313331333133313331322333133313331333133313231232323322   >>