player r block t white boring ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓t▓w▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ ▓▓▓▓▓▓▓▓▓ block w white interesting ▓▓▓▓▓▓▓▓▓ ▓1 2 ▓▓=▓ ▓ ▓▓ε▓ ▓4 3▓▓▓▓ ▓ ▓ ▓ ▓▓ ▓▓ a▓ ▓5 r b▓ ▓ ▓▓ ▓ ▓▓▓▓▓▓▓▓▓ block r red interesting ▓▓▓ ▓▓▓ ▓▓▓ link a r red link b r red epsilon ε r red block 1 blue boring ▓ block 2 blue boring ▓ block 3 blue boring ▓ block 4 blue boring ▓ block 5 blue boring ▓