C111113331333132322331333133313331333132313331333133311233131211311   >>    C11111333133313232233133313331333133313231333133313331123313121131   <<    C111113331333132322331333133313331333132313331333133311233131211313   >>      C111113331333132322331333133313331333132313331333133311233131211312   >>