player p block t white boring ▓▓▓▓▓ ▓▓▓▓▓ ▓t▓w▓ ▓▓▓▓▓ ▓▓▓▓▓ block w white interesting ▓▓▓▓▓▓▓▓▓ ▓▓ g G ▓▓ ▓▓ ▓▓ ▓▓ p ▓▓ ▓-▓ = ▓-▓ ▓ ▓ ▓∞▓▓▓▓▓ε▓ ▓ ▓▓▓▓▓ ▓ ▓▓▓▓▓▓▓▓▓ block g green interesting ▓ infinity ∞ g green link G g green epsilon ε g green block p magenta boring ▓▓▓▓▓ ▓ ▓ ▓ ▓▓▓▓▓ ▓▓▓▓▓ ▓▓▓▓▓