Hover over a pixel and use up/down arrow keys to make it lighter/darker. Press S to save. Press L to load. If you want to share codes, you will have to do it in multiple parts in the comments, as each code is exactly 900 numbers long. The grid is 20x15. If you edit the codes, you can get up to 101 shades! 000001002003004005006007008009010011012013014015016017018019020021022023024025026027028029030031032033034035036037038039040041042043044045046047048049050051052053054055056057058059060061062063064065066067068069070071072073074075076077078079080081082083084085086087088089090091092093094095096097098099100
Code for the thumbnail: 050050050050050050050050050050050050050050050050050050050050050050050050050050050050000050050000050050050050050050050050050050050050050050000000000050050000000000050050050050050050050050050050050050050100030050050030100050050050050050050050050050050050050050050100030050050030100050050050050050050050050050050050050050060060050050050050060060050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050040040050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050050
