C1311213331333132332133313331333133313331333132313231333112323232132311   >>    C131121333133313233213331333133313331333133313231323133311232323213231   <<    C1311213331333132332133313331333133313331333132313231333112323232132313   >>      C1311213331333132332133313331333133313331333132313231333112323232132312   >>