C13223313311212111133133313331323133313331323121111331311311121   >>    C1322331331121211113313331333132313331333132312111133131131112   <<    C13223313311212111133133313331323133313331323121111331311311123   >>      C13223313311212111133133313331323133313331323121111331311311122   >>