C131121333133313233213331333133313331312111133133313231333133321331   >>    C13112133313331323321333133313331333131211113313331323133313332133   <<    C131121333133313233213331333133313331312111133133313231333133321333   >>      C131121333133313233213331333133313331312111133133313231333133321332   >>