C111113331333132322331333133313331333132332133313231333132112313233311   >>    C11111333133313232233133313331333133313233213331323133313211231323331   <<    C111113331333132322331333133313331333132332133313231333132112313233313   >>      C111113331333132322331333133313331333132332133313231333132112313233312   >>