C111113331333132322331333133313331333132332133313231333132311211312311   >>    C11111333133313232233133313331333133313233213331323133313231121131231   <<    C111113331333132322331333133313331333132332133313231333132311211312313   >>      C111113331333132322331333133313331333132332133313231333132311211312312   >>