1 row - 1chain .1 sc (single crochet),*4ch -skip 4-sc, 2ch - skip 2 - sc,4ch - skip 4- sc, 1 ch - skip 1 -sc * repeat until the end of row.
2 row - 5 ch , 2dc in st (2 double crochet in the stitch) ,* 2ch ,skip 4 - 5dc shell- 2ch,skip 4,
2-2-2 dc shell {2dc-ch-dc shell}* repeat from the end of row.
3 row - sc , *3 ch -skip5,in the first dc of the previous series work 2dc in st,3dc in the next ,2dc in st , 3ch-skip5-sc * repeat this until the end of row .
4 row - sc,*5 ch- tr4tog(treble crochet 4 together),6ch-tr4tog, 5ch- sc* repeat this until the end of row .
5 row - 7ch-*dtr3tog(double treble crochet 3 together)-3ch ,dtr3tog - 3ch, dtr3tog - 3ch, dtr3tog - 3ch, dtr3tog - 3ch, 1ch * repeat from the end of row .
6 row - *{5ch - sc} repeat 3 times,6ch-sc,*we repeat the shame until the end of the series.
7 row - 7 ch , 2dc in st, *5ch - 1tr ,5ch - 1dtr...in the middle of itwe work 2-2-2-dc in st, * repeat from the end of row .
The basic design is the firs 7 rows.
Repeating as many times as the want we will succeed the desirable length of our design.
for the shirt pattern see here