$C_1$

$C_2$

$C_3$

$C_4$

$B_1$

$\left\{S_2,S_3,S_4\right\}$

$\left\{S_2,S_3,S_4\right\}$

$\left\{S_3,S_4\right\}$

$\left\{S_2,S_3\right\}$

$B_2$

$\left\{S_3,S_4\right\}$

$\left\{S_4,S_5\right\}$

$\left\{S_3,S_4,S_5\right\}$

$\left\{S_2,S_3\right\}$

$B_3$

$\left\{S_2,S_3,S_4\right\}$

$\left\{S_2,S_3\right\}$

$\left\{S_3,S_4\right\}$

$\left\{S_2,S_3\right\}$

$B_4$

$\left\{S_3,S_4\right\}$

$\left\{S_1,S_2,S_3\right\}$

$\left\{S_2,S_3,S_4\right\}$

$\left\{S_2,S_3\right\}$

$B_5$

$\left\{S_3,S_4\right\}$

$\left\{S_1,S_2,S_3\right\}$

$\left\{S_2,S_3,S_4\right\}$

$\left\{S_2,S_3\right\}$