C2221232323213331311331333133313331323132313331333223312232113333111   >>    C222123232321333131133133313331333132313231333133322331223211333311   <<    C2221232323213331311331333133313331323132313331333223312232113333113   >>      C2221232323213331311331333133313331323132313331333223312232113333112   >>