C13223313311212111133133313331323133313331323121111331323233223311211   >>    C1322331331121211113313331333132313331333132312111133132323322331121   <<    C13223313311212111133133313331323133313331323121111331323233223311213   >>      C13223313311212111133133313331323133313331323121111331323233223311212   >>