Pinwheel Coaster

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size "10" thread in two colors (I used pink and burgundy.)
size "3" hook

pattern:

with pink,
ch 4, join w/ sl st to form ring
Rnd 1: sl st in ring, ch 7, (tr, ch 3) 7 times in ring, join w/ sl st to 4th beg ch
Rnd 2: ch 9, (tr, ch 5) in ea tr around, join w/ sl st to 3rd beg ch
Rnd 3: ch 4, (tr, ch 8) in same st, (2 tr, ch 8) in ea tr around, join w/ sl st to 4th beg ch
Finish off.

with burgundy,
Rnd 4: join w/ sc to any ch-sp, 11 sc in same sp, ch 2, (12 sc, ch 2) in ea sp around
Finish off.

with pink,
Rnd 5: join w/ dc to any ch-sp, 2 dc in same sp, ch 12, (3 dc, ch 12) in ea sp around, join w/ sl st to 1st dc

with burgundy,
Rnd 6: join w/ sc to any ch-sp, 19 sc in same sp, 20 sc in ea sp around, join w/ sl st to 1st sc