COPY statement syntax

1  COPY
1 
1  
2? 
3.1 OF
3.1 IN
3.1 
3.1 
2?  SUPPRESS
1?   REPLACING
2.1+ 
2.1   BY 
2.1 
2.2.1 LEADING
2.2.1 TRAILNG
2.1  == 
2.1 
2.1  == 
2.1 BY
2.1  == 
2.1 
2.1  == 
3  .