C11112331333132311331333133313331333132312323133313232223312311   >>    C1111233133313231133133313331333133313231232313331323222331231   <<    C11112331333132311331333133313331333132312323133313232223312313   >>      C11112331333132311331333133313331333132312323133313232223312312   >>