Pixel Joint Forum: 4-color palette Trial + weird iso triangle

Message

   Heya, guys!

I'm trying to follow the Inktober challenge and, for day 02, theme is "divided". So, for the general theme of the entire challenge, I thought of smt like a city-building game, in which each zone type (residential, industrial, etc) would have an specific colour. For day 02, I tried to draw "sobrados", some kind of row houses very popular in Brazil: they have the same features of single houses (like gates, ceramic roof tiles, and so forth), but they are like twinned buildings. 

I have a restriction of 4 colors (black, white, gray, and the zone-specific color), but what bugs me the most is the angle of the roof, and the art in general - but I can't know what I did wrong, so I'm here asking for your help!

What I got is here:

Author	Message
HugoZanin Midshipman Joined: 18 June 2018 Online Status: Offline Posts: 14	Topic: 4-color palette Trial + weird iso triangle Posted: 02 October 2017 at 6:15pm
	Heya, guys! I'm trying to follow the Inktober challenge and, for day 02, theme is "divided". So, for the general theme of the entire challenge, I thought of smt like a city-building game, in which each zone type (residential, industrial, etc) would have an specific colour. For day 02, I tried to draw "sobrados", some kind of row houses very popular in Brazil: they have the same features of single houses (like gates, ceramic roof tiles, and so forth), but they are like twinned buildings. I have a restriction of 4 colors (black, white, gray, and the zone-specific color), but what bugs me the most is the angle of the roof, and the art in general - but I can't know what I did wrong, so I'm here asking for your help! What I got is here:
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