C13223313311212111133133313331323133313112113113313331323132212321   >>    C1322331331121211113313331333132313331311211311331333132313221232   <<    C13223313311212111133133313331323133313112113113313331323132212323   >>      C13223313311212111133133313331323133313112113113313331323132212322   >>