C111123313331323113313331323133313331311331323232132313331323312331   >>    C11112331333132311331333132313331333131133132323213231333132331233   <<    C111123313331323113313331323133313331311331323232132313331323312333   >>      C111123313331323113313331323133313331311331323232132313331323312332   >>