c_3
c_4
c_5
c_6
c_7
c_8
c_9
c_10
c_11
a_1
a_2
a_3
a_4
a_5
a_6
a_7
a_9
a_10
a_11
a_12
a_13
b_1
b_3
b_4
b_5
b_6
b_7
b_8
b_9
b_10
b_11
b_12
c_1
c_2

c_3
c_4
c_5
c_6
c_7
c_8
c_9
c_10
c_11
a_1
a_2
a_3
a_4
a_5
a_6
a_7
a_9
a_10
a_11
a_12
a_13
b_1
b_3
b_4
b_5
b_6
b_7
b_8
b_9
b_10
b_11
b_12
c_1
c_2