manabreak/x.csv

## x.csv

          
            foo
            bar

            
              1
              1

            
              1
              2

            
              1
              3

            
              1
              4

            
              1
              5

            
              2
              1

            
              2
              2

            
              2
              3

            
              2
              4

            
              2
              5

            
              2
              6

            
              3
              1

            
              3
              2

            
              3
              3

            
              3
              4

            
              3
              5

            
              3
              6