Color Block Jam Levels 800–900: Recheck the Whole Board

Why re-scan instead of following a fixed sequence?

An obstacle change can open one route and close another. A fixed sequence assumes the board is static; a re-scan treats each state transition as new information.

What should the recheck include?

Confirm every remaining destination, the most constrained lane, the staging space, and the last block of each nearly complete group. This catches endgame traps before they become expensive.

How do you keep the process manageable?

Use one sentence per dependency and stop after meaningful changes. You do not need a complete written map; you need a reliable explanation for the next move.