"W-18" . "W-13-class" . "W-13" . "W-16" . "72.5" . "W-13-class minesweeper" . . "''W-13''-class minesweeper" . . "''W-13'' class" . "''W-13''" . . . . "37.04" . "''W-15''" . "8.2" . . "''W-14''" . . "7.85" . . "No. 18" . "No. 17" . . "W-17" . . "W-15" . "74.0" . "No. 13" . "W-14" . . "35.188" . "No. 16" . "W-13-class minesweeper" . "No. 15" . "No. 14" .