Interlocked Mosaic Afghan is a two-color design in which only one color is used per row; ch-2 spaces create place holders for later stitches of the other color. Finished size is 51.5 x 66.5 inches (131 x 169 cm). Supplies needed are medium weight yarn and a size I (5.5mm) crochet hook. The photo model was crocheted using Red Heart® Soft® in #9523 Dark Leaf (9 skeins) and #9623 Spearmint (8 skeins). Instructions are for Intermediate skill level. Free online tutorials provide extra support. This design by Melissa Leapman was originally published in Leisure Arts Leaflet #6654 Afghans with Style.