A1*B1*C1*D1,
A1*B2*C1*D2,
A1*B3*C1*D3,
A1*B4*C1*D4,
A1*B2*C2*D1,
A1*B1*C2*D2,
A1*B4*C2*D3,
A1*B3*C2*D4,
A1*B3*C3*D1,
A1*B4*C3*D2,
A1*B1*C3*D3,
A1*B2*C3*D4,
A1*B4*C4*D1,
A1*B3*C4*D2,
A1*B2*C4*D3,
A1*B1*C4*D4,
A2*B2*C1*D1,
A2*B1*C1*D2,
A2*B4*C1*D3,
A2*B3*C1*D4,
A2*B1*C2*D1,
A2*B2*C2*D2,
A2*B3*C2*D3,
A2*B4*C2*D4,
A2*B4*C3*D1,
A2*B3*C3*D2,
A2*B2*C3*D3,
A2*B1*C3*D4,
A2*B3*C4*D1,
A2*B4*C4*D2,
A2*B1*C4*D3,
A2*B2*C4*D4,
A3*B3*C1*D1,
A3*B4*C1*D2,
A3*B1*C1*D3,
A3*B2*C1*D4,
A3*B4*C2*D1,
A3*B3*C2*D2,
A3*B2*C2*D3,
A3*B1*C2*D4,
A3*B1*C3*D1,
A3*B2*C3*D2,
A3*B3*C3*D3,
A3*B4*C3*D4,
A3*B2*C4*D1,
A3*B1*C4*D2,
A3*B4*C4*D3,
A3*B3*C4*D4,
A4*B4*C1*D1,
A4*B3*C1*D2,
A4*B2*C1*D3,
A4*B1*C1*D4,
A4*B3*C2*D1,
A4*B4*C2*D2,
A4*B1*C2*D3,
A4*B2*C2*D4,
A4*B2*C3*D1,
A4*B1*C3*D2,
A4*B4*C3*D3,
A4*B3*C3*D4,
A4*B1*C4*D1,
A4*B2*C4*D2,
A4*B3*C4*D3,
A4*B4*C4*D4