Method flipMove

app/src/main/java/solver/Floppy.java:47–51

(int eo, int m)

    }

    private static int flipMove(int eo, int m) {
        Utils.idxToFlip(arr, eo, 4, false);
        arr[m] = 1 - arr[m];
        return Utils.flipToIdx(arr, 4, false);
    }

    private static boolean search(int cp, int eo, int d, int lm) {
        if (d == 0) return cp == 0 && eo == 0;