historical Level 851 board for current Level 457 with a 1:47 timer and a center cyan 10 counter

This source maps current Level 457 to a visible historical Level 851 board. The key bottleneck is the center cyan 10 counter, so open the vertical middle lane before pushing the tall side pieces. The first solve completes around 2:00, with replay confirmation near 4:00.

9 timestamped steps
Use each checkpoint to confirm that your board still matches the walkthrough.
Use these moments to confirm that your board still matches before continuing.
| Time | What to confirm |
|---|---|
| 0:10 | The source opens on visible historical Level 851 for current Level 457 with a 1:47 timer and a center cyan 10 counter. |
| 0:40 | By about 0:40, the central vertical lane has started opening and the side pieces have shifted. |
| 1:20 | Around 1:20, the upper and lower traffic is reduced and the main center blocker is nearly cleared. |
| 1:50 | Around 1:50, only final cleanup pieces remain. |
| 2:00 | The first solve reaches Level Complete around 2:00; replay completion appears again near 4:00. |
Checkpoint: The mapped opening layout matches.
Watch at 0:10Checkpoint: The center counter route starts to open.
Watch at 0:20Checkpoint: The upper side remains movable.
Watch at 0:35Checkpoint: One side lane is open and the center stays free.
Watch at 0:50Checkpoint: The lower center connects to the exits.
Watch at 1:08Checkpoint: Large pieces are no longer trapped.
Watch at 1:26Checkpoint: Only final cleanup remains.
Watch at 1:44Checkpoint: Level Complete is visible around 2:00.
Watch at 2:00Each row links a visible gameplay fact to the walkthrough frame used to check it.
| Fact | Source role | Timestamp | Checked |
|---|---|---|---|
| The source opens on visible historical Level 851 for current Level 457 with a 1:47 timer and a center cyan 10 counter. | CherieGaming walkthrough evidence | 0:10 | July 16, 2026 |
| By about 0:40, the central vertical lane has started opening and the side pieces have shifted. | CherieGaming walkthrough evidence | 0:40 | July 16, 2026 |
| Around 1:20, the upper and lower traffic is reduced and the main center blocker is nearly cleared. | CherieGaming walkthrough evidence | 1:20 | July 16, 2026 |
| Around 1:50, only final cleanup pieces remain. | CherieGaming walkthrough evidence | 1:50 | July 16, 2026 |
| The first solve reaches Level Complete around 2:00; replay completion appears again near 4:00. | CherieGaming walkthrough evidence | 2:00 | July 16, 2026 |
The source title maps Level 457 to 851, and the gameplay badge visibly shows historical Level 851.
No visible Hard or Very Hard label appears in the reviewed frames.
Use the first solve through about 2:00; the later section is replay confirmation.
This guide matches current Level 457 when the source/gameplay visibly shows historical Level 851 with a 1:47 timer and a center cyan 10 counter. If your opening board does not match, choose a different guide.
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