0 0 m -1 0.333 l -1 -0.333 l h 0 0 m -1 0.333 l -1 -0.333 l h 0.6 0 0 0.6 0 0 e 0.4 0 0 0.4 0 0 e 0.6 0 0 0.6 0 0 e 0.5 0 0 0.5 0 0 e 0.6 0 0 0.6 0 0 e 0.4 0 0 0.4 0 0 e -0.6 -0.6 m 0.6 -0.6 l 0.6 0.6 l -0.6 0.6 l h -0.4 -0.4 m 0.4 -0.4 l 0.4 0.4 l -0.4 0.4 l h -0.6 -0.6 m 0.6 -0.6 l 0.6 0.6 l -0.6 0.6 l h -0.5 -0.5 m 0.5 -0.5 l 0.5 0.5 l -0.5 0.5 l h -0.6 -0.6 m 0.6 -0.6 l 0.6 0.6 l -0.6 0.6 l h -0.4 -0.4 m 0.4 -0.4 l 0.4 0.4 l -0.4 0.4 l h -0.43 -0.57 m 0.57 0.43 l 0.43 0.57 l -0.57 -0.43 l h -0.43 0.57 m 0.57 -0.43 l 0.43 -0.57 l -0.57 0.43 l h 0 0 m -1 0.333 l -1 -0.333 l h 0 0 m -1 0.333 l -0.8 0 l -1 -0.333 l h 0 0 m -1 0.333 l -0.8 0 l -1 -0.333 l h -1 0.333 m 0 0 l -1 -0.333 l 0 0 m -1 0.333 l -1 -0.333 l h -1 0 m -2 0.333 l -2 -0.333 l h 0 0 m -1 0.333 l -1 -0.333 l h -1 0 m -2 0.333 l -2 -0.333 l h 40 0 0 40 96 768 e 61.359 788 m 56 768 l 56 768 l 61.359 748 m 76 733.359 l 96 728 m 116 733.359 l 130.641 748 m 136 768 l 130.641 788 m 116 802.641 l 96 808 m 76 802.641 l 76 802.641 m 61.359 788 l 56 768 m 61.359 748 l 76 733.359 m 96 728 l 116 733.359 m 130.641 748 l 136 768 m 130.641 788 l 116 802.641 m 96 808 l $M_1$ $M_2$ $C^*$