X1 2t x2 4 2t

X1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2tX1 2t x2 4 2t