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Output image with alternate reverse rows

Would it be possible to do fast process to get a "snake" effect, I mean not to go on the start of the new row but to the end. this is the input image:

   A[ ROW.1 = 0 , 1 , 2 , 3
      ROW.2 = 0 , 1 , 2 , 3
      ROW.3 = 0 , 1 , 2 , 3 ]

this should be the output

 B[ ROW.1 = 0 , 1 , 2 , 3 
    ROW.2 = 3 , 2 , 1 , 0 
    ROW.3 = 0 , 1 , 2 , 3 ]

if this can be done, can you please advice me on how this can be done?

Output image with alternate reverse rows

Would it be possible to do fast process to get a "snake" effect, I mean when you go to a new row, not to go on the start from left of the new row but to from the end. right. this is the input image:

   A[ ROW.1 = 0 , 1 , 2 , 3
      ROW.2 = 0 , 1 , 2 , 3
      ROW.3 = 0 , 1 , 2 , 3 ]

this should be the output

 B[ ROW.1 = 0 , 1 , 2 , 3 
    ROW.2 = 3 , 2 , 1 , 0 
    ROW.3 = 0 , 1 , 2 , 3 ]

if this can be done, can you please advice me on how this can be done?