Christmas Present (Z80 Assembler)

Author:   dOc.K / Moods Plateau
Category: Christmas Challenge
System:   KC 85/4
Language: Z80 Assembler (z80asm)
Len source code: 358 bytes
Len exe file:    256 bytes
Len code only:   53 bytes
Instructions:
  Goto https://www.lanale.de/kc85_emu/KC85_Emu.html
  Type "LOAD" <ENTER>
  Select PRESENT.KCC file
  The program will start automatically.
Description:
  After trying several tricky algorithms, I found
  probably the most trivial solution by simply
  checking certain column and row positions.
Comments:
  A christmas present 4 U! <3