Arrange the numbers 1-9 in a 3×3 square using each only once

Arrange the numbers 1-9 in a 3×3 square using each once only, according to the following rules:

• exactly one prime number is directly above a prime number that’s two numbers less;
• each pair of opposite corners sums to the same square total and exactly two columns share another square total;
• exactly one prime number is directly to the left of a non-prime number that’s two numbers greater;
• directly above exactly one square number is a number that’s four numbers greater; and
• directly to the right of exactly one cubic number is a number that’s one number greater.

EMBED:

Subscribe to be alerted when an answer and a new teaser has been posted.

Your name:
Your answer:
Email:

Δ

Two Sand Glasses | Back – Next | An unusual paragraph