C131121333133313233213331333133313331333133313331333133313121111132233131   >>    C13112133313331323321333133313331333133313331333133313331312111113223313   <<    C131121333133313233213331333133313331333133313331333133313121111132233133   >>      C131121333133313233213331333133313331333133313331333133313121111132233132   >>