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A printable paint-by-numbers worksheet on an A4 portrait page. The main artwork is a clean black-and-white line-art illustration inspired by traditional Japanese woodblock ocean waves, featuring large dramatic curling waves with foamy edges, a small distant mountain on the right horizon, and stylized clouds in the background. The drawing is framed inside a thin rectangular border with wide white outer margins. The illustration is partitioned into clearly enclosed paint regions with smooth black outlines, each labeled with a small centered number from 1 to 10 across the composition. Directly below the framed artwork, centered text reads in bold sans-serif font: "[Instructions]", followed by a smaller subtitle: "[Paint the areas with the matching colors.]". Underneath the instructions is a neat two-row color legend featuring 10 small square color swatches, each labeled with its number inside the swatch and color name beside it: 1 Prussian Blue, 2 Cream, 3 Sky Blue, 4 Slate Gray, 5 Coral Red, 6 Light Gray, 7 Red, 8 Deep Teal, 9 Parchment Tan, 10 Foam White. Overall style is minimal, crisp, high-contrast, strictly printer-friendly, with pure white interior fill, no shading or hatching, and clean sans-serif typography.