duplicated block id: 1
size: 31 cleaned lines of code
in 2 files:
 - src/cmd/cfg/main.go (96:132)
 - src/cmd/extract/main.go (69:105)

duplicated block id: 2
size: 13 cleaned lines of code
in 2 files:
 - src/ct/parser/tree.go (83:96)
 - src/ct/variables/variable_type.go (55:68)