No. 5.--Round 1: Make a chain of 12 stitches, and unite it, 1 double crochet, miss 3 loops, 12 chain, repeat twice more.
Round 2: Into the 12 chain 2 double crochet, 13 long, 2 double crochet, repeat.
Round 3: 2 double crochet into successive loops, 13 long into successive loops, 2 double crochet into successive loops, repeat.
Round 4: 1 long, 5 chain, miss 3 loops, repeat.
Round 5: Into the 5 chain 2 double crochet, 5 long, 2 double crochet, repeat.
No. 6.--Make a chain of 11 stitches, and unite it.
Round 1: 2 double crochet into each loop.
Round 2: 1 double crochet into each loop.
Round 3: 2 double crochet into 1 loop, 1 into the next, repeat.
Round 4: 1 long, 5 chain, miss 2 loops, repeat.