C13223313311212111133133313331323133313112113113313331323122321   >>    C1322331331121211113313331333132313331311211311331333132312232   <<    C13223313311212111133133313331323133313112113113313331323122323   >>      C13223313311212111133133313331323133313112113113313331323122322   >>