vim, 35 bytes

Result

AC

Duration

963ms

Code [DL]

00000000  18 18 18 76 68 22 61 64  6a 76 6c 22 62 64 40 62  |...vh"adjvl"bd@b|
00000010  69 2a 1b 59 70 50 6c 76  24 68 68 72 20 59 40 61  |i*.YpPlv$hhr Y@a|
00000020  70 5a 5a                                          |pZZ|
00000023

stdin

21
23

stdout

***********************
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*                     *
*                     *
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*                     *
*                     *
*                     *
*                     *
***********************

stderr