C11112331333132311331333133313331333132312323133313331323131133111   >>    C1111233133313231133133313331333133313231232313331333132313113311   <<    C11112331333132311331333133313331333132312323133313331323131133113   >>      C11112331333132311331333133313331333132312323133313331323131133112   >>