After a hard day faffing around in the studio, I finally decided to print up the third block in cream exactly as I had done in the original version.
This means I have cleverly avoided making a decision on introducing a new colour until I print the last block (i.e. leaving it until the last moment, as usual.)
I have a few options:
a) Just leave the print as it was – I can print up the final block in the original light blue and have a few extra copies of the original print (very tempting, this one).
b) Carry on with the master plan and insert some yellow into the final pale blue block, with the added bonus of many more hours of fine-tuning, the results of which most people won’t be able to see with the naked eye.
c) Forget printing the last block with the pale blue and replace it entirely with the yellow glaze.
d) Go and work at Tesco’s.

I’ve just printed the second block, in a strong red – a mixture of scarlet and crimson.
Now I have to decide whether to add the bright yellow glaze to selected areas on the third block (cream) or to selected areas on the fourth block (pale blue).
If I add the yellow glaze to the third block, I will end up with some pale greens. (As once I’ve printed the pale blue of the fourth block onto that new yellow glaze of the third block, that’s what I’ll get.)
I’m not sure I want any green – and I could avoid it by adding the yellow glaze onto sections of the fourth block, where it will sit alongside the blue, instead of under it.
This of course means less variations in terms of the whole colour scheme. Hmm……