Lesson 11 - Keys : 7c1

Test 01 = 7c711 c17c7 cc77c 71177 cc1c7 
Test 02 = 1177c 7c777 17717 c1ccc 711c7 
Test 03 = 11cc1 71c71 77771 c11cc cc711 
Test 04 = 711c1 c711c c7c7c 11c1c 11ccc 
Test 05 = 1c7c1 17111 1c7c7 71111 7c7cc 
Test 06 = ccc71 111c1 c1117 7cccc 71777 
Test 07 = 11c77 71771 17777 cccc1 7177c 
Test 08 = c7171 cc7c1 c77cc 1117c cc777 
Test 09 = 7117c c7cc7 7c111 c117c 17c7c 
Test 10 = 17ccc c1111 1c111 7771c 17111