C13223313311212111133133313331323133313331323121111331333132313113112123231   >>    C1322331331121211113313331333132313331333132312111133133313231311311212323   <<    C13223313311212111133133313331323133313331323121111331333132313113112123233   >>      C13223313311212111133133313331323133313331323121111331333132313113112123232   >>