Method getShape2Idx

app/src/main/java/solver/Sq1Shape.java:17–19

(int shp)

    private static int sollen;

    private static int getShape2Idx(int shp) {
        return Arrays.binarySearch(shapeIdx, shp);
    }

    private static int rotate(int layer) {
        return ((layer << 1) & 0xFFE) | ((layer >> 11) & 1);