DynamicSlowMPU:with the second of two bigs boosted

Build 27 on mob/grids-in-articles
740px
Reviewing disabled
The baseline is taller than the new snapshot (740x726 to 740x683).
Baseline History
Build 27e6fa768 current baseline
Current build. Accepted by Max Duval.
Build 1d4223c6
Auto-accepted
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