Single crochet round blanket pdf pattern

this round blanket is worked in spiral, means you are not closing each round and chaining 1 
at the beginning of each round, you are working continuously and the stitch marker and your 
counts are your stoppings.
Whenever you change the color, just join the thread of the yarn, carry the small part of the 
new color along the previous one which you will hide under the stitches.
that ways you never have to cut your yarn.
Materials
Sugar and cream 
2 yellow

2 purple 

Crochet hook: 4mm
Measurements
30 rounds: 54 cm
50 rounds: 73 cm
60 rounds: 108 cm