\begin{center} \begin{texdraw} %\setunitscale 0.3 \arrowheadtype t:F %begin textellipse %begin ellipse \move(2.39 -1.80) \clvec(2.39 -1.73)(2.47 -1.65)(2.56 -1.65) \move(2.56 -1.65) \clvec(2.65 -1.65)(2.73 -1.73)(2.73 -1.80) \move(2.73 -1.80) \clvec(2.73 -1.87)(2.65 -1.95)(2.56 -1.95) \move(2.56 -1.95) \clvec(2.47 -1.95)(2.39 -1.87)(2.39 -1.80) %end ellipse \textref h:C v:C \htext (2.56 -1.80){H} %end textellipse %begin textellipse %begin ellipse \move(2.40 -0.18) \clvec(2.40 -0.11)(2.48 -0.03)(2.57 -0.03) \move(2.57 -0.03) \clvec(2.66 -0.03)(2.74 -0.11)(2.74 -0.18) \move(2.74 -0.18) \clvec(2.74 -0.25)(2.66 -0.33)(2.57 -0.33) \move(2.57 -0.33) \clvec(2.48 -0.33)(2.40 -0.25)(2.40 -0.18) %end ellipse \textref h:C v:C \htext (2.57 -0.18){L} %end textellipse %begin textellipse %begin ellipse \move(1.38 -5.12) \clvec(1.38 -5.05)(1.46 -4.97)(1.55 -4.97) \move(1.55 -4.97) \clvec(1.64 -4.97)(1.72 -5.05)(1.72 -5.12) \move(1.72 -5.12) \clvec(1.72 -5.19)(1.64 -5.27)(1.55 -5.27) \move(1.55 -5.27) \clvec(1.46 -5.27)(1.38 -5.19)(1.38 -5.12) %end ellipse \textref h:C v:C \htext (1.55 -5.12){W} %end textellipse %begin textellipse %begin ellipse \move(2.40 -3.59) \clvec(2.40 -3.52)(2.48 -3.44)(2.57 -3.44) \move(2.57 -3.44) \clvec(2.66 -3.44)(2.74 -3.52)(2.74 -3.59) \move(2.74 -3.59) \clvec(2.74 -3.66)(2.66 -3.74)(2.57 -3.74) \move(2.57 -3.74) \clvec(2.48 -3.74)(2.40 -3.66)(2.40 -3.59) %end ellipse \textref h:C v:C \htext (2.57 -3.59){F} %end textellipse %begin textellipse %begin ellipse \move(3.41 -5.12) \clvec(3.41 -5.05)(3.49 -4.97)(3.58 -4.97) \move(3.58 -4.97) \clvec(3.67 -4.97)(3.75 -5.05)(3.75 -5.12) \move(3.75 -5.12) \clvec(3.75 -5.19)(3.67 -5.27)(3.58 -5.27) \move(3.58 -5.27) \clvec(3.49 -5.27)(3.41 -5.19)(3.41 -5.12) %end ellipse \textref h:C v:C \htext (3.58 -5.12){S} %end textellipse %begin textellipse %begin ellipse \move(5.93 -5.12) \clvec(5.93 -5.05)(6.01 -4.97)(6.10 -4.97) \move(6.10 -4.97) \clvec(6.19 -4.97)(6.27 -5.05)(6.27 -5.12) \move(6.27 -5.12) \clvec(6.27 -5.19)(6.19 -5.27)(6.10 -5.27) \move(6.10 -5.27) \clvec(6.01 -5.27)(5.93 -5.19)(5.93 -5.12) %end ellipse \textref h:C v:C \htext (6.10 -5.12){U} %end textellipse %begin textellipse %begin ellipse \move(2.40 -6.65) \clvec(2.40 -6.58)(2.48 -6.50)(2.57 -6.50) \move(2.57 -6.50) \clvec(2.66 -6.50)(2.74 -6.58)(2.74 -6.65) \move(2.74 -6.65) \clvec(2.74 -6.72)(2.66 -6.80)(2.57 -6.80) \move(2.57 -6.80) \clvec(2.48 -6.80)(2.40 -6.72)(2.40 -6.65) %end ellipse \textref h:C v:C \htext (2.57 -6.65){M} %end textellipse \move(2.73 -1.80) \clvec(3.57 -1.55)(3.56 -0.36)(2.74 -0.18) %end bz \move(2.74 -3.58) \clvec(3.59 -3.32)(3.57 -2.06)(2.74 -1.81) %end bz \move(2.41 -0.18) \clvec(1.56 -0.34)(1.56 -1.55)(2.40 -1.80) %end bz \move(2.39 -1.81) \clvec(1.56 -2.06)(1.55 -3.34)(2.40 -3.58) %end bz \move(6.09 -4.97) \clvec(6.08 -4.50)(3.59 -4.51)(3.59 -4.97) %end bz \move(3.59 -5.27) \clvec(3.60 -5.75)(6.12 -5.75)(6.11 -5.27) %end bz %begin arrow \move(3.35 -0.89) \avec(3.35 -1.07) %end arrow %begin arrow \move(3.37 -2.63) \avec(3.37 -2.78) %end arrow %begin arrow \move(4.78 -4.62) \avec(5.00 -4.62) %end arrow %begin arrow \move(4.96 -5.63) \avec(4.79 -5.63) %end arrow %begin arrow \move(1.78 -1.07) \avec(1.78 -0.89) %end arrow %begin arrow \move(1.77 -2.77) \avec(1.77 -2.59) %end arrow %begin textrectangle %begin rectangle \move(3.46 -0.02) \lvec(3.46 -0.26) \move(3.46 -0.02) \lvec(4.74 -0.02) \move(4.74 -0.26) \lvec(4.74 -0.02) \move(4.74 -0.26) \lvec(3.46 -0.26) %end rectangle \textref h:C v:C \htext (4.10 -0.14){May 14-7:40 am} %end textrectangle %begin textrectangle %begin rectangle \move(3.48 -1.54) \lvec(3.48 -1.78) \move(3.48 -1.54) \lvec(4.77 -1.54) \move(4.77 -1.78) \lvec(4.77 -1.54) \move(4.77 -1.78) \lvec(3.48 -1.78) %end rectangle \textref h:C v:C \htext (4.13 -1.66){May 14-9:15 am} %end textrectangle %begin textrectangle %begin rectangle \move(3.48 -1.95) \lvec(3.48 -2.19) \move(3.48 -1.95) \lvec(4.77 -1.95) \move(4.77 -2.19) \lvec(4.77 -1.95) \move(4.77 -2.19) \lvec(3.48 -2.19) %end rectangle \textref h:C v:C \htext (4.13 -2.07){May 14-3:25 pm} %end textrectangle %begin textrectangle %begin rectangle \move(3.50 -3.20) \lvec(3.50 -3.44) \move(3.50 -3.20) \lvec(4.75 -3.20) \move(4.75 -3.44) \lvec(4.75 -3.20) \move(4.75 -3.44) \lvec(3.50 -3.44) %end rectangle \textref h:C v:C \htext (4.13 -3.32){May 15-8:25 am} %end textrectangle %begin textrectangle %begin rectangle \move(3.39 -3.69) \lvec(3.39 -3.93) \move(3.39 -3.69) \lvec(4.59 -3.69) \move(4.59 -3.93) \lvec(4.59 -3.69) \move(4.59 -3.93) \lvec(3.39 -3.93) %end rectangle \textref h:C v:C \htext (3.99 -3.81){May 15-9:50 pm} %end textrectangle %begin textrectangle %begin rectangle \move(2.08 -4.68) \lvec(2.08 -4.92) \move(2.08 -4.68) \lvec(3.36 -4.68) \move(3.36 -4.92) \lvec(3.36 -4.68) \move(3.36 -4.92) \lvec(2.08 -4.92) %end rectangle \textref h:C v:C \htext (2.72 -4.80){May 16-4:50 am} %end textrectangle %begin textrectangle %begin rectangle \move(2.06 -5.33) \lvec(2.06 -5.57) \move(2.06 -5.33) \lvec(3.36 -5.33) \move(3.36 -5.57) \lvec(3.36 -5.33) \move(3.36 -5.57) \lvec(2.06 -5.57) %end rectangle \textref h:C v:C \htext (2.71 -5.45){May 25-12:55 pm} %end textrectangle %begin textrectangle %begin rectangle \move(3.28 -6.52) \lvec(3.28 -6.76) \move(3.28 -6.52) \lvec(4.54 -6.52) \move(4.54 -6.76) \lvec(4.54 -6.52) \move(4.54 -6.76) \lvec(3.28 -6.76) %end rectangle \textref h:C v:C \htext (3.91 -6.64){May 25-1:45 pm} %end textrectangle %begin textrectangle %begin rectangle \move(0.68 -6.51) \lvec(0.68 -6.77) \move(0.68 -6.51) \lvec(1.94 -6.51) \move(1.94 -6.77) \lvec(1.94 -6.51) \move(1.94 -6.77) \lvec(0.68 -6.77) %end rectangle \textref h:C v:C \htext (1.31 -6.64){May 29-9:00 pm} %end textrectangle %begin textrectangle %begin rectangle \move(0.02 -5.39) \lvec(0.02 -5.63) \move(0.02 -5.39) \lvec(1.24 -5.39) \move(1.24 -5.63) \lvec(1.24 -5.39) \move(1.24 -5.63) \lvec(0.02 -5.63) %end rectangle \textref h:C v:C \htext (0.63 -5.51){May 29-9:15 pm} %end textrectangle %begin textrectangle %begin rectangle \move(0.04 -4.61) \lvec(0.04 -4.85) \move(0.04 -4.61) \lvec(1.28 -4.61) \move(1.28 -4.85) \lvec(1.28 -4.61) \move(1.28 -4.85) \lvec(0.04 -4.85) %end rectangle \textref h:C v:C \htext (0.66 -4.73){June 11-6:35 am} %end textrectangle %begin textrectangle %begin rectangle \move(0.01 -3.69) \lvec(0.01 -3.93) \move(0.01 -3.69) \lvec(1.30 -3.69) \move(1.30 -3.93) \lvec(1.30 -3.69) \move(1.30 -3.93) \lvec(0.01 -3.93) %end rectangle \textref h:C v:C \htext (0.66 -3.81){June 11-8:30 am} %end textrectangle %begin textrectangle %begin rectangle \move(0.04 -3.20) \lvec(0.04 -3.44) \move(0.04 -3.20) \lvec(1.31 -3.20) \move(1.31 -3.44) \lvec(1.31 -3.20) \move(1.31 -3.44) \lvec(0.04 -3.44) %end rectangle \textref h:C v:C \htext (0.68 -3.32){June 11-9:45 am} %end textrectangle %begin textrectangle %begin rectangle \move(0.04 -1.93) \lvec(0.04 -2.17) \move(0.04 -1.93) \lvec(1.26 -1.93) \move(1.26 -2.17) \lvec(1.26 -1.93) \move(1.26 -2.17) \lvec(0.04 -2.17) %end rectangle \textref h:C v:C \htext (0.65 -2.05){June 11-1:40 pm} %end textrectangle %begin textrectangle %begin rectangle \move(0.03 -1.55) \lvec(0.03 -1.79) \move(0.03 -1.55) \lvec(1.27 -1.55) \move(1.27 -1.79) \lvec(1.27 -1.55) \move(1.27 -1.79) \lvec(0.03 -1.79) %end rectangle \textref h:C v:C \htext (0.65 -1.67){June 11-6:00 pm} %end textrectangle %begin textrectangle %begin rectangle \move(0.03 -0.02) \lvec(0.03 -0.26) \move(0.03 -0.02) \lvec(1.30 -0.02) \move(1.30 -0.26) \lvec(1.30 -0.02) \move(1.30 -0.26) \lvec(0.03 -0.26) %end rectangle \textref h:C v:C \htext (0.67 -0.14){June 11-7:37 pm} %end textrectangle %begin textrectangle %begin rectangle \move(5.27 -4.22) \lvec(5.27 -4.46) \move(5.27 -4.22) \lvec(6.27 -4.22) \move(6.27 -4.46) \lvec(6.27 -4.22) \move(6.27 -4.46) \lvec(5.27 -4.46) %end rectangle \textref h:C v:C \htext (5.77 -4.34){May 21 or 22} %end textrectangle %begin textrectangle %begin rectangle \move(3.95 -5.85) \lvec(3.95 -6.09) \move(3.95 -5.85) \lvec(4.95 -5.85) \move(4.95 -6.09) \lvec(4.95 -5.85) \move(4.95 -6.09) \lvec(3.95 -6.09) %end rectangle \textref h:C v:C \htext (4.45 -5.97){May 24 or 25} %end textrectangle %begin textrectangle %begin rectangle \move(4.36 -5.01) \lvec(4.36 -5.25) \move(4.36 -5.01) \lvec(5.36 -5.01) \move(5.36 -5.25) \lvec(5.36 -5.01) \move(5.36 -5.25) \lvec(4.36 -5.25) %end rectangle \textref h:C v:C \htext (4.86 -5.13){by car} %end textrectangle %begin textrectangle %begin rectangle \move(5.12 -0.02) \lvec(5.12 -0.54) \move(5.12 -0.02) \lvec(6.65 -0.02) \move(6.65 -0.54) \lvec(6.65 -0.02) \move(6.65 -0.54) \lvec(5.12 -0.54) %end rectangle \textref h:C v:C \htext (5.89 -0.28){Travel schedule} %end textrectangle %begin textrectangle %begin rectangle \move(5.12 -1.04) \lvec(5.12 -1.27) \move(5.12 -1.04) \lvec(6.66 -1.04) \move(6.66 -1.27) \lvec(6.66 -1.04) \move(6.66 -1.27) \lvec(5.12 -1.27) %end rectangle \textref h:C v:C \htext (5.89 -1.16){Legend} %end textrectangle %begin textrectangle %begin rectangle \move(5.12 -1.32) \lvec(5.12 -1.55) \move(5.12 -1.32) \lvec(6.64 -1.32) \move(6.64 -1.55) \lvec(6.64 -1.32) \move(6.64 -1.55) \lvec(5.12 -1.55) %end rectangle \textref h:C v:C \htext (5.88 -1.44){L = Lubbock} %end textrectangle %begin textrectangle %begin rectangle \move(5.09 -1.61) \lvec(5.09 -1.84) \move(5.09 -1.61) \lvec(6.65 -1.61) \move(6.65 -1.84) \lvec(6.65 -1.61) \move(6.65 -1.84) \lvec(5.09 -1.84) %end rectangle \textref h:C v:C \htext (5.87 -1.72){H = Houston} %end textrectangle %begin textrectangle %begin rectangle \move(5.14 -1.91) \lvec(5.14 -2.14) \move(5.14 -1.91) \lvec(6.68 -1.91) \move(6.68 -2.14) \lvec(6.68 -1.91) \move(6.68 -2.14) \lvec(5.14 -2.14) %end rectangle \textref h:C v:C \htext (5.91 -2.02){F = Frankfurt} %end textrectangle %begin textrectangle %begin rectangle \move(5.13 -2.22) \lvec(5.13 -2.45) \move(5.13 -2.22) \lvec(6.56 -2.22) \move(6.56 -2.45) \lvec(6.56 -2.22) \move(6.56 -2.45) \lvec(5.13 -2.45) %end rectangle \textref h:C v:C \htext (5.84 -2.34){S = Samara} %end textrectangle %begin textrectangle %begin rectangle \move(5.13 -2.52) \lvec(5.13 -2.75) \move(5.13 -2.52) \lvec(6.78 -2.52) \move(6.78 -2.75) \lvec(6.78 -2.52) \move(6.78 -2.75) \lvec(5.13 -2.75) %end rectangle \textref h:C v:C \htext (5.95 -2.64){U = Ulyanovsk} %end textrectangle %begin textrectangle %begin rectangle \move(5.13 -2.83) \lvec(5.13 -3.06) \move(5.13 -2.83) \lvec(6.61 -2.83) \move(6.61 -3.06) \lvec(6.61 -2.83) \move(6.61 -3.06) \lvec(5.13 -3.06) %end rectangle \textref h:C v:C \htext (5.87 -2.95){M = Moscow} %end textrectangle %begin textrectangle %begin rectangle \move(5.14 -3.15) \lvec(5.14 -3.38) \move(5.14 -3.15) \lvec(6.58 -3.15) \move(6.58 -3.38) \lvec(6.58 -3.15) \move(6.58 -3.38) \lvec(5.14 -3.38) %end rectangle \textref h:C v:C \htext (5.86 -3.27){W = Warsaw} %end textrectangle \move(2.71 -3.68) \clvec(3.09 -3.68)(3.59 -4.60)(3.60 -4.97) %end bz \move(1.55 -4.97) \clvec(1.56 -4.61)(2.05 -3.68)(2.42 -3.67) %end bz \move(3.58 -5.28) \clvec(3.59 -5.62)(3.07 -6.64)(2.75 -6.64) %end bz \move(2.40 -6.65) \clvec(2.06 -6.65)(1.54 -5.63)(1.55 -5.27) %end bz %begin arrow \move(1.73 -4.41) \avec(1.87 -4.16) %end arrow %begin arrow \move(3.25 -4.11) \avec(3.35 -4.29) %end arrow %begin arrow \move(3.43 -5.79) \avec(3.36 -5.95) %end arrow %begin arrow \move(1.78 -5.99) \avec(1.71 -5.81) %end arrow \end{texdraw} \end{center}