230ab5975543a735938ff7784016f46bfd91e279
000 º 0 0 00U 0 0
= O 0U 0 0 O 0U 0 0 O 0U 0 0
O 0U 0 0
O 0U 0 0
O 0U 0 0 O 0U 0 1 , 0 