.... .. . .... .. #. #..# ..# .. ...###..##..##.. ............. .. .......... .∩. #..##..# ..# .. ###..##..##..##.. #....3....... . .. #.............. ... ...##..##..##..# ..# ... #..##..##..## .## .. ..... ............ . #................ . ###..##..##..##..# #.. #..##..##..# ... .............. .. .. ... ...... ..##..##..##..## .. #.. ..# . ## ... .......... .. ...........