C13223313311212111133133313331323133313331323121211113313111233131   >>    C1322331331121211113313331333132313331333132312121111331311123313   <<    C13223313311212111133133313331323133313331323121211113313111233133   >>      C13223313311212111133133313331323133313331323121211113313111233132   >>