Method permMove

app/src/main/java/solver/Floppy.java:36–45

(int cp, int m)

    }

    private static int permMove(int cp, int m) {
        Utils.idxToPerm(arr, cp, 4, false);
        switch (m) {
            case 0: Utils.swap(arr, 0, 1); break;	//U2
            case 1: Utils.swap(arr, 1, 2); break;	//R2
            case 2: Utils.swap(arr, 2, 3); break;	//D2
            case 3: Utils.swap(arr, 0, 3); break;	//L2
        }
        return Utils.permToIdx(arr, 4, false);
    }

    private static int flipMove(int eo, int m) {
        Utils.idxToFlip(arr, eo, 4, false);