#1Diagrams
The diagrams for sewing the 2nd set of B's to units 1 and 2 are incorrect; corrected diagrams were posted.
Official — archived source see the source ↗
On the Grid (block #774) — Errata & Corrections
Quiltmaker's 100 Blocks Vol. 8, Winter 2013 / Staff Block Challenge Jan-Feb 2015
1 indexed correction. Check these against your copy before cutting — printings can differ.
Know a correction we're missing?
Printed from niftyfiftyquilting.com/errata/on-the-grid-block-774 — check that page for corrections added after your printout, and always confirm against the linked official source.