line 1 have some string here and Hash_key_4: Hash_value_4_identical_to_Hash_value_9
line 2 have some string here and Hash_key_5: Hash_value_5
line 3 have some string here and Hash_key_6: Hash_value_6
line 4 have some string here and Hash_key_7: Hash_value_7_identical_to_Hash_value_2
line 5 have some string here and Hash_key_1: Hash_value_1
line 6 have some string here and Hash_key_2: Hash_value_2_identical_to_Hash_value_7
line 7 have some string here and Hash_key_3: Hash_value_3
line 8 have some string here and Hash_key_8: Hash_value_8
line 9 have some string here and Hash_key_9: Hash_value_9_identical_to_Hash_value_4
line 10 have some string here and Hash_key_10: Hash_value_10
....
....