Contaminated water

111111111110111111111111110011111111111111111111 111111111110111111111111111011111111111111111111 111111111110011111111111111001111111111111111111 111111111100011111111111111101111111000111111111 111111110001111111111111111100011111011111111111 111111110111111111111111111111000010000111111111 111111100011111111111111111111111000110011111111 111111101001111111111111111111110111111111111111 111110011100111111111111111111110111111111111111 111110111110111111111111111111111111111111111111 111100111110111111111111111151511111111111111111 111001111111111111111111111555551111111111111111 110011111111111111111111118588555111111111111111 111111111111111111111111118888885111111111111111 111111111111111111111111888888281111111111111111 111111111111111111114444888666881111111111111111 111111111111111111444444881766111111111111111111 111111111111111144444444441766111111111111111111 111111111111144444444444441667116111111111111111 222222222222244444444446462667262622222222222222 11ccc1cccccc9dd44444444c74c676cc7ccccccccccccccc c11111ccccc9dddd99dcc44646c666cccccccccccccccccc 1ccccccc999dddd999dcc44c86676666cccccccccccccccc ccc0000ddd000999dddc88866666bbb6666cccc1111ccccc ccc000dddd000ddddddcccc666666b66667ccccccccccccc cccccccccccccccccc11111c677666667ccccccccccc11cc ccccccccccccccccccccc111611cccc67ccccccc1111111c ccccccccccccccccccccccccccccccc67cccccccccc11111 cccccc1111111111cccccccccccccccc6cccccccccccc11c ccccccccccc11111111ccccccccccccccccccccc111111cc ccccccccc111cc111ccccccccc11cccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccc ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ............................0000................ ...........................00000................ ..........................0000000............... ..........................0000..0............... .........................00000.................. ........................00000000................ ........................000000.................. ...........................000.................. ...........................000.................. ................................................ ................................................ ................................................ ............................111................. ............................111................. ............................111................. ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ yak BLLUUUUURRRRRRRRGGGGGGGHHHHHH yak-key What's this?