Small Square: CO 21 sts using knit-on CO. Row 1: (WS) sl.1, K19 tbl, P1. Row 2: Sl 1, K8 tbl, SK2P, K8 tbl, P1. Row 3: Sl 1, K tbl to last st, P1. Row 4: Sl 1, K7 tbl, SK2P, K7 tbl to last st, P1. Rep Rows 3 & 4, dec 2 sts at center every RS row, until 3 sts rem, ending w RS row. Last Row: (WS) Sl 1, P2tog, PSSO. secure last st.