C131121333133313233213331333133313331333133313231333132313222332311   >>    C13112133313331323321333133313331333133313331323133313231322233231   <<    C131121333133313233213331333133313331333133313231333132313222332313   >>      C131121333133313233213331333133313331333133313231333132313222332312   >>