1♣ could have been a doubleton, 2♣ was majors and 2N was minors.
The defense starts with ♥A,♥K,♥T, righty following once then pitching a diamond and a spade.
You start diamonds, and lefty plays the ♦K, and a small diamond to righty's ♦A, who plays a third diamond, lefty pitching a club.
1♣ could have been a doubleton, 2♣ was majors and 2N was minors.
The defense starts with ♥A,♥K,♥T, righty following once then pitching a diamond and a spade.
You start diamonds, and lefty plays the ♦K, and a small diamond to righty's ♦A, who plays a third diamond, lefty pitching a club.