C11111333133313232233133313331333133313231312323131133131333311   >>    C1111133313331323223313331333133313331323131232313113313133331   <<    C11111333133313232233133313331333133313231312323131133131333313   >>      C11111333133313232233133313331333133313231312323131133131333312   >>