This is where the middle column goes
No matter which column has more data, the colours are preserved

This is where the first column goes
No matter which column has more data, the colours are preserved

This is where the last column goes
No matter which column has more data, the colours are preserved
This is where the middle column goes
This is where the middle column goes
This is where the middle column goes
This is where the middle column goes
This is where the middle column goes
This is where the middle column goes
This is where the middle column goes
This is where the middle column goes