player p block t black boring ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓t▓▓▓w▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓ε▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ block w white interesting ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓ p ▓▓ ▓▓ G H ▓▓ ▓▓ = ▓▓ ▓▓ -▓▓ ▓▓▓▓g▓=▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ link G g green link H g green block g green interesting ▓ ▓▓ epsilon ε g green b ▓ block p magenta boring ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓ ▓▓▓ ▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ block b blue interesting ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓ ▓▓▓ ▓▓▓ ▓▓▓ ▓▓▓ ▓▓▓ ▓▓▓ ▓▓▓ ▓▓▓