Karnaugh Maps. 2 seperate examples

exo I X2 X 1 X X 10 1 15 14 1 X X 1 2 3 I7 CO XX 0 1 10 11 15 14 X1 x 1 0 9 13 12 18 X3 (x) (X) O (X) 0 (x) v (80) (x) (X) xo 2 1 1 10 1 15 14 2 3 3 7 10 11 15 14 1 18 19 13 12. 3 (,,) (..) x, x, x) ()