C13223313311212111133133313331333132313231323133313113313222212321   >>    C1322331331121211113313331333133313231323132313331311331322221232   <<    C13223313311212111133133313331333132313231323133313113313222212323   >>      C13223313311212111133133313331333132313231323133313113313222212322   >>