ROOT (token: short_text [lag_newlines/spaces] {pos_id})        
 ¦--expr: 1+(1  [0/0] {1}                                      
 ¦   ¦--expr: 1 [0/0] {4}                                      
 ¦   ¦   °--NUM_CONST: 1 [0/0] {3}                             
 ¦   ¦--'+': + [0/0] {5}                                       
 ¦   ¦--expr: (1    [0/0] {6}                                  
 ¦   ¦   ¦--'(': ( [0/0] {7}                                   
 ¦   ¦   ¦--expr: 1   - [0/0] {8}                              
 ¦   ¦   ¦   ¦--expr: 1 [0/3] {11}                             
 ¦   ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {10}                    
 ¦   ¦   ¦   ¦--'-': - [0/1] {12}                              
 ¦   ¦   ¦   ¦--expr: (- (- [0/5] {13}                         
 ¦   ¦   ¦   ¦   ¦--'(': ( [0/0] {14}                          
 ¦   ¦   ¦   ¦   ¦--expr: - (-  [0/3] {15}                     
 ¦   ¦   ¦   ¦   ¦   ¦--'-': - [0/1] {16}                      
 ¦   ¦   ¦   ¦   ¦   °--expr: (- 3  [0/0] {17}                 
 ¦   ¦   ¦   ¦   ¦       ¦--'(': ( [0/0] {18}                  
 ¦   ¦   ¦   ¦   ¦       ¦--expr: - 3 + [0/0] {19}             
 ¦   ¦   ¦   ¦   ¦       ¦   ¦--expr: - 3 [0/1] {21}           
 ¦   ¦   ¦   ¦   ¦       ¦   ¦   ¦--'-': - [0/1] {22}          
 ¦   ¦   ¦   ¦   ¦       ¦   ¦   °--expr: 3 [0/0] {24}         
 ¦   ¦   ¦   ¦   ¦       ¦   ¦       °--NUM_CONST: 3 [0/0] {23}
 ¦   ¦   ¦   ¦   ¦       ¦   ¦--'+': + [0/2] {25}              
 ¦   ¦   ¦   ¦   ¦       ¦   ¦--expr: 11 [0/0] {27}            
 ¦   ¦   ¦   ¦   ¦       ¦   ¦   °--NUM_CONST: 11 [0/0] {26}   
 ¦   ¦   ¦   ¦   ¦       ¦   ¦--'+': + [0/0] {28}              
 ¦   ¦   ¦   ¦   ¦       ¦   °--expr: +   1 [0/0] {29}         
 ¦   ¦   ¦   ¦   ¦       ¦       ¦--'+': + [0/3] {30}          
 ¦   ¦   ¦   ¦   ¦       ¦       °--expr: 1 [0/0] {32}         
 ¦   ¦   ¦   ¦   ¦       ¦           °--NUM_CONST: 1 [0/0] {31}
 ¦   ¦   ¦   ¦   ¦       °--')': ) [0/0] {33}                  
 ¦   ¦   ¦   ¦   °--')': ) [0/0] {34}                          
 ¦   ¦   ¦   ¦--'-': - [0/0] {35}                              
 ¦   ¦   ¦   °--expr: 4 [0/0] {37}                             
 ¦   ¦   ¦       °--NUM_CONST: 4 [0/0] {36}                    
 ¦   ¦   °--')': ) [0/0] {38}                                  
 ¦   ¦--'-': - [0/0] {39}                                      
 ¦   °--expr: -40 [0/0] {40}                                   
 ¦       ¦--'-': - [0/0] {41}                                  
 ¦       °--expr: 40 [0/0] {43}                                
 ¦           °--NUM_CONST: 40 [0/0] {42}                       
 °--expr: 1+(1- [1/0] {44}                                     
     ¦--expr: 1 [0/0] {47}                                     
     ¦   °--NUM_CONST: 1 [0/0] {46}                            
     ¦--'+': + [0/0] {48}                                      
     ¦--expr: (1-(- [0/0] {49}                                 
     ¦   ¦--'(': ( [0/0] {50}                                  
     ¦   ¦--expr: 1-(-( [0/0] {51}                             
     ¦   ¦   ¦--expr: 1 [0/0] {54}                             
     ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {53}                    
     ¦   ¦   ¦--'-': - [0/0] {55}                              
     ¦   ¦   ¦--expr: (-(-3 [0/0] {56}                         
     ¦   ¦   ¦   ¦--'(': ( [0/0] {57}                          
     ¦   ¦   ¦   ¦--expr: -(-3+ [0/0] {58}                     
     ¦   ¦   ¦   ¦   ¦--'-': - [0/0] {59}                      
     ¦   ¦   ¦   ¦   °--expr: (-3+1 [0/0] {60}                 
     ¦   ¦   ¦   ¦       ¦--'(': ( [0/0] {61}                  
     ¦   ¦   ¦   ¦       ¦--expr: -3+11 [0/0] {62}             
     ¦   ¦   ¦   ¦       ¦   ¦--expr: -3 [0/0] {64}            
     ¦   ¦   ¦   ¦       ¦   ¦   ¦--'-': - [0/0] {65}          
     ¦   ¦   ¦   ¦       ¦   ¦   °--expr: 3 [0/0] {67}         
     ¦   ¦   ¦   ¦       ¦   ¦       °--NUM_CONST: 3 [0/0] {66}
     ¦   ¦   ¦   ¦       ¦   ¦--'+': + [0/0] {68}              
     ¦   ¦   ¦   ¦       ¦   ¦--expr: 11 [0/0] {70}            
     ¦   ¦   ¦   ¦       ¦   ¦   °--NUM_CONST: 11 [0/0] {69}   
     ¦   ¦   ¦   ¦       ¦   ¦--'+': + [0/0] {71}              
     ¦   ¦   ¦   ¦       ¦   °--expr: +1 [0/0] {72}            
     ¦   ¦   ¦   ¦       ¦       ¦--'+': + [0/0] {73}          
     ¦   ¦   ¦   ¦       ¦       °--expr: 1 [0/0] {75}         
     ¦   ¦   ¦   ¦       ¦           °--NUM_CONST: 1 [0/0] {74}
     ¦   ¦   ¦   ¦       °--')': ) [0/0] {76}                  
     ¦   ¦   ¦   °--')': ) [0/0] {77}                          
     ¦   ¦   ¦--'-': - [0/0] {78}                              
     ¦   ¦   °--expr: 4 [0/0] {80}                             
     ¦   ¦       °--NUM_CONST: 4 [0/0] {79}                    
     ¦   °--')': ) [0/0] {81}                                  
     ¦--'-': - [0/0] {82}                                      
     °--expr: -40 [0/0] {83}                                   
         ¦--'-': - [0/0] {84}                                  
         °--expr: 40 [0/0] {86}                                
             °--NUM_CONST: 40 [0/0] {85}                       
