From the following attachment you can find the original block and the blocks now have very different, we miscalculated the layout also contributed to the work of the Lord,
You can see from the following annex the original block and the block is now very different, which is caused by the main reason we misjudged layout work,
From the following attachments, you can find that the original block is very different from the current block, which is the main reason for us to estimate the working hours of the layout,