C11112331333132311331333133313331333132313231123313331313231333132323311   >>    C1111233133313231133133313331333133313231323112331333131323133313232331   <<    C11112331333132311331333133313331333132313231123313331313231333132323313   >>      C11112331333132311331333133313331333132313231123313331313231333132323312   >>