C131121333133313233213331333133313331312111133133313331323323132211   >>    C13112133313331323321333133313331333131211113313331333132332313221   <<    C131121333133313233213331333133313331312111133133313331323323132213   >>      C131121333133313233213331333133313331312111133133313331323323132212   >>