Now
Network Info
Difficulty: 119.38772460
Est Next Difficulty: 44.90878657 (Change in 1 Blocks)

After 30 minutes
Difficulty   11.19260914
Est Next Difficulty   43.07054166 (Change in 1 Blocks)

Then
Difficulty   29.89373151
Est Next Difficulty   43.03094052 (Change in 1 Blocks)

Later
Difficulty   119.57492605
Est Next Difficulty   41.53851930 (Change in 1 Blocks)

Again
Difficulty   9.98790875
Est Next Difficulty   39.10132058 (Change in 1 Blocks)