See the illustration below:

Which test situations can be differentiated when the coverage type paths test depth level 2 is
used?

A.
1-2; 2-3; 3-4; 2-4; 2-5; 2-6; 3-5; 3-6; 4-5; 4-6; 5-6

B.
1-2; 1-3; 1-4; 2-5; 3-5; 4-5; 2-6; 3-6; 4-6

C.
1-2-5; 1-2-6; 1-3-6; 1-3-5; 1-4-6; 1-4-5