C13223313311212111133133313331333132313331323312111133133311233211   >>    C1322331331121211113313331333133313231333132331211113313331123321   <<    C13223313311212111133133313331333132313331323312111133133311233213   >>      C13223313311212111133133313331333132313331323312111133133311233212   >>