(s_1)
(s_2)
(s_3)
(s_4)
(s_5)
(s_6)
(s_7)
(s_8)
(s_9)
(s_10)
(s_11)
(e_1)
(e_2)
(e_3)
(e_4)
(e_5)
(e_6)
(e_7)
(e_8)
(g_1)
(g_2)
(g_3)
(g_4)
(g_5)
(g_6)
(g_7)
(g_8)
(g_9)
(g_10)