C111113331333132322331333133313331333132332133313231323113123311   >>    C11111333133313232233133313331333133313233213331323132311312331   <<    C111113331333132322331333133313331333132332133313231323113123313   >>      C111113331333132322331333133313331333132332133313231323113123312   >>