C111123313331323113313331323133313331311331311331323132313331322311   >>    C11112331333132311331333132313331333131133131133132313231333132231   <<    C111123313331323113313331323133313331311331311331323132313331322313   >>      C111123313331323113313331323133313331311331311331323132313331322312   >>