Squares Level 24: 4d square D1:4-6 D4:4-6. multiplication window train. 1. Left Edge4234 squared equals 4234 times itself1. Left EdgeUse the highlighted left edge pair.4234times42344x4162 pairs3 pairs4 pairs3 pairs2 pairs4x4Active multiplication train windowraw windowsraw -> 16 | _ | _ | _ | _ | _ | _Use the highlighted left edge pair. Carry waits for settle.2. 2-Pair Window2. 2-Pair WindowAdd both highlighted pairs.4234times42344x4162 pairs163 pairs4 pairs3 pairs2 pairs4x4Active multiplication train windowraw windowsraw -> 16 | 16 | _ | _ | _ | _ | _Add both highlighted pairs. Carry waits for settle.3. 3-Pair Window3. 3-Pair WindowAdd all 3 highlighted pairs.4234times42344x4162 pairs163 pairs284 pairs3 pairs2 pairs4x4Active multiplication train windowraw windowsraw -> 16 | 16 | 28 | _ | _ | _ | _Add all 3 highlighted pairs. Carry waits for settle.4. 4-Pair Center4. 4-Pair CenterAdd all 4 highlighted pairs.4234times42344x4162 pairs163 pairs284 pairs443 pairs2 pairs4x4Active multiplication train windowraw windowsraw -> 16 | 16 | 28 | 44 | _ | _ | _Add all 4 highlighted pairs. Carry waits for settle.5. 3-Pair Right Window5. 3-Pair Right WindowAdd all 3 highlighted pairs.4234times42344x4162 pairs163 pairs284 pairs443 pairs252 pairs4x4Active multiplication train windowraw windowsraw -> 16 | 16 | 28 | 44 | 25 | _ | _Add all 3 highlighted pairs. Carry waits for settle.6. 2-Pair Right Window6. 2-Pair Right WindowAdd both highlighted pairs.4234times42344x4162 pairs163 pairs284 pairs443 pairs252 pairs244x4Active multiplication train windowraw windowsraw -> 16 | 16 | 28 | 44 | 25 | 24 | _Add both highlighted pairs. Carry waits for settle.7. 1-Pair Right Edge7. 1-Pair Right EdgeUse the highlighted right edge pair.4234times42344x4162 pairs163 pairs284 pairs443 pairs252 pairs244x416Active multiplication train windowraw windowsraw -> 16 | 16 | 28 | 44 | 25 | 24 | 16Use the highlighted right edge pair. Carry waits for settle.8. Settle strip8. Settle stripSettle once.Keep ones; carry moves left.raw windows16 | 16 | 28 | 44 | 25 | 24 | 16settled strip17 | 9 | 2 | 6 | 7 | 5 | 6Final multiplication answer16 | 16 | 28 | 44 | 25 | 24 | 16 -> 17926756.