ROW 2: (Dc next 3 sts, drop red, pick up black, dc next 3 sts, drop black, pick up red) across, to last 3 sts, dc last 3, drop red, pick up black, ch-3 (does not count as a st), turn.
ROW 3: (Dc next 3 sts, drop black, pick up red, dc next 3 sts, drop red, pick up black) across to last 3 sts, dc next 3, ch-3, turn.
ROW 4: (Dc next 3 sts, drop black, pick up red, dc next 3 sts, drop red, pick up black) across, to last 3 sts, dc last 3, drop black, pick up red, ch-3 (does not count as a st), turn.
ROW 5: (Dc next 3 sts, drop red, pick up black, dc next 3 sts, drop black, pick up red) across to last 3 sts, dc next 3, ch-3, turn.
ROW 6-22: Rep row 2-5.
ROW 23: Dc dec next 2 sts, dc next 4, (drop red, pick up black, dc next 3 sts, drop black, pick up red, dc next 3 sts) 6 times, drop red, pick up black, dc next 3, drop black, pick up red, dc next 4, dc dec last 2 sts, ch-3, turn. (51 sts)
ROW 24: Dc dec next 2 sts, dc next 2, (drop red, pick up black, dc next 3 sts, drop black, pick up red, dc next 3 sts) 6 times, drop red, pick up black, dc next 3, drop