@Override
public CubeSpaceState turn(final Turn userTurn) {
final Turn cubeTurn = SymTransform.getTurn(userTurn, cubeSym);
if (!cubeTurn.isB()) return null;
final int cs = SymTransform.getSymmetry(cubeSym, userTurn);
final int cp = t.cornerPosTable.turn(cubeTurn, cornerPos);
final int mep = t.mEdgePosTable.turn(cubeTurn, mEdgePos);
final int udep = t.udEdgePosTable.turn(cubeTurn, udEdgePos);
return new FullState(cs, cp, mep, udep, t);
}
