anchor.diff:     {{_, LenValue}, Context1, Data1} = erlang_fast_number:decode(Data, LenField, Context),
      case LenValue of
         absent ->
  +         {{FieldName, absent},
  +            Context1#fast_context{pmap = PMapRest}, Data1};
  +      LenValue ->
  +         io:format("Length = ~p~n", [LenValue]),
            Instrs = case is_record(hd(Instructions), length) of
               true ->
                  tl(Instructions);
               false ->
                  Instructions
            end,
  -         {{FieldName, absent},
  -            Context1#fast_context{pmap = PMapRest, template = Context1#fast_context.template#template{instructions = Instrs}}, Data1};
  -      LenValue ->
            decode(LenValue, Data1, NeedPMap,
  -            Context1#fast_context{pmap = PMapRest, template = Context1#fast_context.template#template{instructions = Instructions}})
  +            Context1#fast_context{pmap = PMapRest, template = Context1#fast_context.template#template{instructions =
  +                  Instrs}})
      end;
   
   decode(Data, #sequence{}, Context) ->
  
positive.code: -include("erlang_fast_template.hrl").
  -include("erlang_fast_context.hrl").
  -include("erlang_fast_common.hrl").
  
  decode(Data, #sequence{name = FieldName, instructions = []}, Context) ->
     {{FieldName, absent}, Context, Data};
  
negative.code: decode(0, Data, _NeedPMap, Context) ->
     {[], Context, Data};
  
  decode(Length, Data, NeedPMap, Context = #fast_context{template = Template}) ->
     case NeedPMap of
        true ->
           {Context1 = #fast_context{pmap = <<_TBit:1, PMapRest/bitstring>>}, Data1} = erlang_fast_segment:decode_pmap(Data, Context),
           ?debugFmt("PMap = ~p~n", [PMapRest]),
           {Msg, Context2, Data2} = erlang_fast_segment:decode_fields(Data1, Context1#fast_context{pmap = PMapRest}),
           {Msgs, Context3, Data3} = decode(Length, Data2, NeedPMap, Context2#fast_context{template = Template}),
           {[Msg | Msgs], Context3, Data3};
        false ->
           {Msg, Context1, Data1} = erlang_fast_segment:decode_fields(Data, Context),
           {Msgs, Context2, Data2} = decode(Length, Data1, NeedPMap, Context1#fast_context{template = Template}),
           {[Msg | Msgs], Context2, Data2}
     end.
  