Plumber, 45 bytes

]][]
==[[=]=]]
[]][ [[=][
[[=][[[=
  =]][[=

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The ]] and == at the beginning of the first two lines do nothing except lower the number of spaces and increase the number of those characters, and there are two trailing newlines to bring the total up to 6. This outputs the numbers 111000222.

Characters:

• 15 [
• 12 ]
• 9 =
• 6 \n
• 3