Incubating barred rock eggs for the first time

[harleyquinn93]

I need help the eggs are at day 16 of incubation and was wondering if they look like they are developing the right way. (One looks like its a couple days younger then the other egg)

 

[harleyquinn93]

 

[harleyquinn93]

I need help the eggs are at day 16 of incubation and was wondering if they look like they are developing the right way. (One looks like its a couple days younger then the other egg)