C13223313311212111133133313331323133313331323113313113313113312331   >>    C1322331331121211113313331333132313331333132311331311331311331233   <<    C13223313311212111133133313331323133313331323113313113313113312333   >>      C13223313311212111133133313331323133313331323113313113313113312332   >>