C13223313311212111133133313331323133313331323113313112113231221   >>    C1322331331121211113313331333132313331333132311331311211323122   <<    C13223313311212111133133313331323133313331323113313112113231223   >>      C13223313311212111133133313331323133313331323113313112113231222   >>