Possible Clues:

• Figure carved in ice
• A number engaged in a row
• 'S, even one less (5)'
• The GI ate this, by the sound of one of 23 down
• Number correct after initial change
• One over it and you were drunk, it was said
• The 'igh point for a number
• Carmina Burana composer
• Oarsmen sounded worried
• See 12