In Java SE8 i am trying to complete a SudoKu Region Checker, and this is the code i have, however, it return two false, but i do not know what am i suppose to do

public class SudokuRegi onChecker l public static byte[][] examplel -new byte[1 I1 ( (5, 3, 4, 6, 7, 8, 9,1,2 16, 7,2,1, 9,5,3, 4,8, [1, 9, 8, 3, 4, 2,5, 6,7, (8, 5, 9,7, 6,1, 4, 2, 3, 14,2,6,8,5,3, 7,9, 17,1, 3, 9, 2, 4, 8, 5, 6, (9, 6, 1, 5, 3,7,2, 8, 41, (2, 8, 7, 4,1,9, 6, 3, 51, (3, 4, 5, 2, 8, 6,1,7,91: public static byte[][] example2-new byte] ] (5, 3, 4, 6, 7, 8, 9,1,21 16, 7,2,1, 9, 5, 3, 4, (1, 9, 8, 3, 4, 2,5, 6,7, (8, 5, 9,7, 6,1, 4, 2, 3, 4,2, 6, 8, 5, 3,7,9,1, 17,1, 3, 9, 2, 4, 8, 5, 61, 9, 6,1, 5, 3,7,2, 8, 3), (2, 8,7, 4,1, 9, 6, 2, 61, (3, 4, 5, 2, 8, 6,1, 8, 8: public static boolean checkSubregion(int region, byte[ll] grid [ for(int i -0; i