Back again

4 min 58 sec, slow, but i am back from my holidays

5 min 33 sec

1 min 38 sec

2 min 23 sec

34 sec

1 min 39 sec

2 min 58 sec

1 min 43 sec

sorry , the problem here were two disjointly connected graphs which i constructed in 10 minutes, but the correction took incredibly long time , unbelievable

the daily network 12 x 12

5 min 49 sec

Sorry was for 3 days in western germany . So don't be too cirtical about my daily special time. Greetings B_rk_s K_f_r