FindSumm

public class Main {
    static final int summ = 33;
    static final int max = 21;
    static final int min = 1;
    static final int varcount = 3;
    static final int maxlen = 3 * (max - (summ - max - min)) * (max - (summ - max - min));

    static int[][] array = new int[maxlen][varcount];
    static int cursor = 0;

    public static void main(String[] args) {
        findsumm(0, 0, 0);
    }

    static void findsumm(int a, int b, int c) {
        switch (c) {
        case 0:
            if (a == 0)
                for (int i = min; i < max; i++)
                    findsumm(i, 0, 0);
            else if (b == 0)
                for (int i = min; i < max; i++)
                    findsumm(a, i, 0);
            else if (c == 0)
                for (int i = min; i < max; i++)
                    findsumm(a, b, i);
            break;
        default:
            if ((a + b + c == summ) && checkarray(a, b, c)) {
                array[cursor][0] = a;
                array[cursor][1] = b;
                array[cursor][2] = c;
                cursor++;
                System.out.println(cursor + ": " + a + " + " + b + " + " + c + " = " + summ);
            }
            break;
        }
    }

    static boolean checkarray(int a, int b, int c) {
        boolean t = true;
        t = t & check(a, b, c);
        t = t & check(a, c, b);
        t = t & check(b, a, c);
        t = t & check(b, c, a);
        t = t & check(c, a, b);
        t = t & check(c, b, a);
        return t;
    }

    static boolean check(int a, int b, int c) {
        for (int i = 0; i < cursor; i++)
            if ((array[i][0] == a) & (array[i][1] == b) & (array[i][2] == c))
                return false;
        return true;
    }
}