C13223313311212111133133313331323133313331323113313113313231323133313231312231   >>    C1322331331121211113313331333132313331333132311331311331323132313331323131223   <<    C13223313311212111133133313331323133313331323113313113313231323133313231312233   >>      C13223313311212111133133313331323133313331323113313113313231323133313231312232   >>