<stdin>

function int PieceCollides(int pX, int pY, int type, int rotation)
        collides = PieceCollides(x, i, type, rot);
        if (PieceCollides(x+j, y, type, rot))
                if (PieceCollides(x, y+ret, type, rot)) { ret -= 1; }
        if (PieceCollides(x, y+j, type, rot))
    if (!PieceCollides(PieceX, PieceY, PieceType, PieceRot)) { return 0; }
            if (!PieceCollides(PieceX+kx, PieceY+ky, PieceType, PieceRot))
        if (!PieceCollides(PieceX+kx, PieceY+ky, PieceType, PieceRot))
    if (!PieceCollides(pX,   pY, type, rotation) &&
        PieceCollides(pX+1, pY, type, rotation) &&
        PieceCollides(pX, pY+1, type, rotation) &&
        PieceCollides(pX-1, pY, type, rotation) &&
        PieceCollides(pX, pY-1, type, rotation))
        if (PieceCollides(PieceX, PieceY, PieceType, PieceRot))
        if (PieceCollides(PieceX, PieceY+1, PieceType, PieceRot))