5cc 5 city challenge

Hi I've lurked here a while but never made an account. I just completed a 5CC space race as Sumeria, on Monarch difficulty, launching in 1888. I think I could have gotten there much earlier if a) I wasn't so bad at the early game and b) had irrigated more, earlier. I think my research was...

Hi all, I started this map with a 5cc in mind. The cap is located at the black circle. Where would you guys place the other cities? There's an other civ located in the North West of the map. Thanks!