C2221232323213331311331333133313231333132333112323132332323222221311   >>    C222123232321333131133133313331323133313233311232313233232322222131   <<    C2221232323213331311331333133313231333132333112323132332323222221313   >>      C2221232323213331311331333133313231333132333112323132332323222221312   >>