Create a small decorative Minecraft...

Create a small decorative Minecraft structure based on the reference image. Subject: cute octopus. Exact maximum height: 12 blocks. Do not exceed 12 blocks in height. Overall footprint should be small and compact. Use ONLY these blocks: amethyst blocks, purple concrete, magenta concrete, coral blocks, purpur blocks. No glowing blocks. No light sources. No diamond, netherite, gold, emerald, iron, or ore blocks. This is a decorative statue, not a building or monument. Avoid large scale and exaggerated proportions. Vanilla Minecraft blocks only.