C1111233133313231133133313231333133313113313113313331323132312231   >>    C111123313331323113313331323133313331311331311331333132313231223   <<    C1111233133313231133133313231333133313113313113313331323132312233   >>      C1111233133313231133133313231333133313113313113313331323132312232   >>