Method rotateTop

app/src/main/java/solver/Sq1Shape.java:33–35

(int idx)

    }

    private static int rotateTop(int idx) {
        return (getBottom(idx) << 12) | rotate(getTop(idx));
    }

    private static int rotateBottom(int idx) {
        return (rotate(getBottom(idx)) << 12) | getTop(idx);