C13223313311212111133133313331323133313331323113313113313231121321   >>    C1322331331121211113313331333132313331333132311331311331323112132   <<    C13223313311212111133133313331323133313331323113313113313231121323   >>      C13223313311212111133133313331323133313331323113313113313231121322   >>