-- Quadrupuzzle IV , the last being the least cubically claustrophobic. Puzzle 1 (Upper left): Across -- 1. DUFFS; 12. IN ROWS; 16. STEREO; 18. CAESAR ; 20. UP LATE; 22. SPOKEN; 24. SEVER; 26. DENSER. Down -- 1. DISCUSS; 2. UNTAPPED; 3. FREE LOVE; 4. FORSAKEN; 5. SWEATERS; 13. SOREN