public boolean isSelfCrossing(int[] x) {

for (int i = 3; i < x.length; i++) {

if (x[i] >= x[i - 2] && x[i - 1] <= x[i - 3]) {

return true; //Fourth line crosses first line and onward

}

if (i >= 4) {

if (x[i - 1] == x[i - 3] && x[i] + x[i - 4] >= x[i - 2]) {

return true; // Fifth line meets first line and onward

}

}

if (i >= 5) {

if (x[i - 2] - x[i - 4] >= 0 && x[i] >= x[i - 2] - x[i - 4]

&& x[i - 1] >= x[i - 3] - x[i - 5] && x[i - 1] <= x[i - 3]) {

return true; // Sixth line crosses first line and onward

}

}

}

return false;

}