R3: Start from any 1-ch space, ch3 ( this counts as 1dc), 1dc in the same space, (1ch, 2dc) in all 1-ch space, (2dc, 3ch, 2dc) in all 3-ch corner space, 1ch, cut the yarn and do invisible joint.
R4: Start from any 1-ch space, ch3 ( this counts as 1dc), 1dc in the same space, (1ch, 2dc) in all 1-ch space, (2dc, 3ch, 2dc) in all 3-ch corner space, 1ch, cut the yarn and do invisible joint.
R5: Start from any 1-ch space, ch3 ( this counts as 1dc), 1dc in the same space, (1ch, 2dc) in all 1-ch space, (2dc, 2ch, 2dc) in all 3-ch corner space, 1ch, cut the yarn and do invisible joint. Please be noted, it’s 2ch for the corner in this round, not 3ch as previous rounds.