A1, B5, C9, F8, H3, I7, K2, A2, B6, D1, E5, F9, I8, K3, A3, B7, D2, E6, G1, H5, I9, K4, D3, E7, G2, J1, K5, A5, B9, D4, E8, G3, H7, J2, K6, A6, C1, D5, E9, G4, H8, J3, K7, A7, C2, F1, G5, H9, J4, K8, A8, C3, D7, F2, G6, I1, J5, K9, A9, C4, D8, F3, G7, I2, B1, C5, D9, F4, G8, I3, J7, B2, C6, E1, F5, G9, J8, B3, C7, E2, H1, I5, C8, E3, F7, H2, K1 |