Comprehensive Crochet Instructions for Extended Double Crochet Rows

Row Instructions Overview
The quantity of stitches is a multiple of 4.
First Row
1st row: DC in the 3rd CH from the hook, DC in the next CH, *CH1, skip 1 CH, 1DC in EA of the next 3CH. Continue across from * to the end of the row;
Second Row
2nd row: Ch3, 1DC in EA of the next 2DC, *CH1, skip CH, 1DC in EA of the next 3DC.
Continue across from * to the end of the row;Third Row
3rd row: CH 4, this will count as the first DC, CH 1, skip the next DC, DC in the next DC, work an extended DC below the 2 previous CH 1 spaces. DC in the next DC. *CH 1, skip the next DC, DC in the next DC, work an extended DC below the 2 previous CH 1 spaces. DC in the next DC. Continue across from * for width of pattern;
Fourth Row
4th row: Ch4, this will count as the first DC, 1DC in EA of the next 3DC, *CH1, 1DC in EA of the next 3DC. Continue across from * to last repetition, DC into 3rd ch in turn ch, turn;
Fifth Row
5th row: Ch3, work an extended DC below the 2 previous CH 1 spaces, 1 DC in next DC, *CH1, skip the DC, DC in the next DC. Work an extended DC below the 2 previous CH1 spaces, 1DC in the next DC. Continue across from * to last repetition, DC into 3rd ch in turn ch, turn;
Sixth Row
6th row: Ch3, 1DC in EA of the next 2DC, *CH1, skip CH, 1DC in EA of the next 3DC. Continue across from * to the end of row.
Pattern Repetition
Repeat the 3rd-6th rows.