Judgment 1. Count before you calculate: the row-7 three is capped right at (9,7), column 8 holds (8,5),(8,6), the diagonal (6,6) waits, and the far anti-diagonal (11,7),(12,6) is loaded. The fours run to the end BY THEMSELVES here — no three is ever needed. VCF. Fire the first four — and mind the trap: the row's other four hands white your column.
Solve the remaining tasks to finish this lesson.