$z_1$

$z_{\text{2}}$

$z_{\text{3}}$

$z_{\text{4}}$

$e_1$

$\langle \left[\text{0}\text{.6},0.7\right],\left[0.\text{2},0.3\right]\rangle$

$\langle \left[\text{0}\text{.4},0.\text{6}\right],\left[0.\text{3},0.\text{4}\right]\rangle$

$\langle \left[\text{0}\text{.3},0.\text{5}\right],\left[0.\text{4},0.\text{5}\right]\rangle$

$\langle \left[\text{0}\text{.3},0.\text{4}\right],\left[0.\text{4},0.\text{5}\right]\rangle$

$e_{\text{2}}$

$\langle \left[\text{0}\text{.3},0.\text{5}\right],\left[0.\text{3},0.\text{4}\right]\rangle$

$\langle \left[\text{0}\text{.6},0.\text{7}\right],\left[0.\text{2},0.\text{3}\right]\rangle$

$\langle \left[\text{0}\text{.1},0.\text{2}\right],\left[0.\text{2},0.\text{3}\right]\rangle$

$\langle \left[\text{0}\text{.1},0.\text{3}\right],\left[0.\text{5},0.\text{6}\right]\rangle$

$e_{\text{3}}$

$\langle \left[\text{0}\text{.6},0.\text{7}\right],\left[0.\text{1},0.\text{2}\right]\rangle$

$\langle \left[\text{0}\text{.5},0.\text{7}\right],\left[0.\text{1},0.\text{3}\right]\rangle$

$\langle \left[\text{0}\text{.3},0.\text{4}\right],\left[0.\text{5},0.\text{6}\right]\rangle$

$\langle \left[\text{0}\text{.2},0.\text{3}\right],\left[0.\text{5},0.\text{7}\right]\rangle$