Two rounds have same instruction, stitch count doesn't work

[LoloGee]

Round 1: 6sc into magic ring 
Round 2: 2 sc into each st, around 
Round3-4: sc in next st, 2 sc in next st, around 
Round 5-6: sc in next 2 sts, 2 sc in next st, around

How many stitches should I have after r3 and r4? 

[bgs]

Round 1 will have 6 stitches

Round 2 will have 12 stitches

Round 3 will have 18 stitches

Round 4 will have 27 stitches

Round 5 will have 36 stitches

Round 6 will have 48 stitches

Edited August 18, 2019 by bgs