flat mid-century Soviet book and magazine cartoon line art, uniform bold felt-pen contour, clean white paper skin with no tonal hatching, shading only as solid black fills and parallel stripe hatching on clothing, vast white background, three young men of 25 to 30 in shirts with rolled sleeves and dark ties standing and kneeling in loose semi-circle around a small sitting dog with black side patch looking up at them, clean confident contour, figures floating on white ground, flat two-dimensional cartoon with uniform contour and untouched white paper, no cross-hatching no engraving no realistic modeling, no children in frame, warm gentle humor mood <lora:training_7185876-20260927070815457-09s0:1>