code: public static CellConstraints rcw(int row, int col, int colSpan,
              String encodedAlignments) {
          return rchw(row, col, 1, colSpan, encodedAlignments);
      }
docs: Sets the row, column, height, and width; decodes the vertical and horizontal alignments from
  the given string. The row span (height) is set to 1
  .<p>
  
  <strong>Examples:</strong><pre>
  CC.rcw(3, 1, 7, "bottom, left");
  CC.rcw(3, 1, 7, "b, l");
  CC.rcw(3, 1, 2, "fill, center");
  CC.rcw(3, 1, 2, "f, c");
  </pre>
  
  @param row the new row index
  @param col the new column index
  @param colSpan the column span or grid width
  @param encodedAlignments describes the vertical and horizontal alignments
  @return this
  
  @throws IllegalArgumentException if an alignment orientation is invalid