C13223313311212111133133313331323133313331323113313232233131312321   >>    C1322331331121211113313331333132313331333132311331323223313131232   <<    C13223313311212111133133313331323133313331323113313232233131312323   >>      C13223313311212111133133313331323133313331323113313232233131312322   >>