brainfuck, 66 bytes

+++++++++[>[+>]+[<]>-]>+++++[>+++>+++>+>+<<<[+++>]<[<]>-]>+>>>-<<<

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Complies with the new rule which requires leaving the rest of the tape clean.

Commented code

+++++++++                      Put 9 in Cell 0
[>[+>]+[<]>-]>                 Make a descending sequence 9 8 7 6 5 4 3 2 1
+++++                          Boost Cell 1 to 14 then use to loop 14 times; On each iteration
[>+++>+++>+>+<<<[+++>]<[<]>-]  add 3 to cells 2 to 9; Before that add an extra 3 or 1 to certain cells
>+>>>-<<<                      Data 92 91 62 61 46 45 44 43 (cells adjusted by 84 56 or 42); Tweak 92 & 61 to 93 & 60

55 53 bytes

-[>[+>]+[<]>-----]>+[>++>++>>[+<]>-----]>++++>+++>+<<

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The first loop creates a descending sequence starting from 51 (calculating 51 as 255/5). Then the 51 is incremented to 52, and used to iterate a loop 52/4=13 times to add 13 and 13×3=39 variously to the following numbers:

  50  49  48  47  46  45  44  43 ...
 +39 +39 +13 +13
 =89 =88 =61 =60

Finally, adjust the numbers a bit more and move to the appropriate position.

-2 from Level River St by shortening the second loop with an internal loop.