Note mistakes in pattern:
Row 32 Part 1 - the DC in 7 should be in 6, the stitch before.
Row 77 - Part 3 the sc in 21 should be a DC

Starting HDC 245
19x12 repeats
Plus 17 for the border stitches (according to pattern 9 right, 4 left = 13 plus 1+1 beginning and ending stitch plus 1+1 chain space into which the easy envelope border https://m.youtube.com/watch?v=9q_I_T8R7yA will be made

Started both Whirls from the inside. It is low contrast but my stash is limited.
Colour A Watermelon Hell Raiser
Colour B Caramel Core Blimey

Continued with another Caramel Core Blimey for colour B starting from the outside; Continued with another Watermelon Hell Raiser starting from the outside.

Removed the solid black on the second whirl; Ditto the solid brown on the other whirl.

Started 8 Jan
Body Completed 1 March
Starting Border 1 March, Complete 8 March

Finished size 133 x 145 cm with some yarn left over