Heart on heart

A small 3 × 3 heart laid on top of a classic 5 × 5 heart with the colours swapped, so the small left lobe is red and the right one white. Five strips in each half. Inside the small heart the cuts follow its smaller fields, and below it they step back to the big pattern in small jogs. The small heart's fields are nine tenths the size of the big ones, and in several places the cuts of the two halves lie on top of each other, so they do not show. The halves differ, so there are two templates, and the difficulty is hard; cut the short pieces at the small heart's cleft precisely.