[Mali Texture Compression Tool][Bug] Image corruption 12x12

Hello ,

I have started using ASTC recently ,
observed some corruption on ASTC texture compressed using 12x12 veryfast using Mali Texture Compression Tool v4.1.0.

Is this expected as 12x12  -veryfast is the lowest quality compression ?

Using -veryfast with other block sizes or 12x12 -fast option does not have this issue.

Thank you,
Rohit

7316.zip
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