Star Granny Square

MR - Magic ring
Sk-Skip
Blo-Back loop only
Sl.st - Slip stitch
Ch - Chain stitch
Hdc-Half double crochet
Dc-Double crochet
Edc-Extended double crochet
Tr-Treble crochet

【All patterns use US terminology, details can be found here.】

R1：MR,Ch×3，Dc×14， Sl.st

R2:[Ch×5,Sc×1，Hdc× 1，Dc×1，Tr×1, Sk2 Sl.st in 3rd st]repeat five times in this circle, fasten off

R3:[Sc×1（change color）,（BLO）Hdc×1,（BLO）Dc×1,（BLO）Edc×1，Tr2Tog，Edc×1，Dc×1，Hdc×1]repeat five times in this circle，Sl.st

R4：Ch×1,Hdc×1，Sc×3，Hdc×1，Dc×1，Edc×1，（Tr×1,Ch×2,Tr×1）in same stitch[Edc×1，Dc×1,Hdc×1，Sc×3，Hdc×1，Dc×1，Edc×1，(Tr×1,Ch×2,Tr×1)in same stitch] repeat three times in this circle, Edc×1，Dc×1, Sl.st

R5:Ch×1（change color）,[Sc×11,(Sc,Ch×2,Sc)in same stitch] repeat four times in this circle, Sl.st