C11112331333132311331333133313331333132312323133313331313232223321   >>    C1111233133313231133133313331333133313231232313331333131323222332   <<    C11112331333132311331333133313331333132312323133313331313232223323   >>      C11112331333132311331333133313331333132312323133313331313232223322   >>