C13223313311212111133133313331323133313331323121111331312111113311211233131   >>    C1322331331121211113313331333132313331333132312111133131211111331121123313   <<    C13223313311212111133133313331323133313331323121111331312111113311211233133   >>      C13223313311212111133133313331323133313331323121111331312111113311211233132   >>