C11111333133313232233133313331333133313231322321133131133131111331313233231   >>    C1111133313331323223313331333133313331323132232113313113313111133131323323   <<    C11111333133313232233133313331333133313231322321133131133131111331313233233   >>      C11111333133313232233133313331333133313231322321133131133131111331313233232   >>