t1e1x1t1,t1e1x1t1,t1e1x1t1,t1e1x1t1,t1e1x1t1,t1e1x1t1,t1e1x1t1,t1e1x1t1,t1e1x1t1
t2e2x2t2,t2e2x2t2,t2e2x2t2,t2e2x2t2,t2e2x2t2,t2e2x2t2,t2e2x2t2,t2e2x2t2,t2e2x2t2
t3e3x3t3,t3e3x3t3,t3e3x3t3,t3e3x3t3,t3e3x3t3,t3e3x3t3,t3e3x3t3,t3e3x3t3,t3e3x3t3
t4e4x4t4,t4e4x4t4,t4e4x4t4,t4e4x4t4,t4e4x4t4,t4e4x4t4,t4e4x4t4,t4e4x4t4,t4e4x4t4