C1111233133313231133133313231333133313331323311121111331311331322313111   >>    C111123313331323113313331323133313331333132331112111133131133132231311   <<    C1111233133313231133133313231333133313331323311121111331311331322313113   >>      C1111233133313231133133313231333133313331323311121111331311331322313112   >>