C131121333133313233213331333133313331333133313331333133313121111131121132321   >>    C13112133313331323321333133313331333133313331333133313331312111113112113232   <<    C131121333133313233213331333133313331333133313331333133313121111131121132323   >>      C131121333133313233213331333133313331333133313331333133313121111131121132322   >>