Bottom · blue front
Step 1 / 4
U': Two layers around the top corner: turns counterclockwise (looking at the top corner)
The red-blue edge is on the bottom edge of the front face, with blue facing you.
The V is at the back, yellow on the bottom, green facing you.
Step 1 of 4: U'. Two layers around the top corner: turns counterclockwise (looking at the top corner)