C111123313331323113313331323133313331311331323232132313231312311   >>    C11112331333132311331333132313331333131133132323213231323131231   <<    C111123313331323113313331323133313331311331323232132313231312313   >>      C111123313331323113313331323133313331311331323232132313231312312   >>