C13223313311212111133133313331211113313231123313331323133313231132311   >>    C1322331331121211113313331333121111331323112331333132313331323113231   <<    C13223313311212111133133313331211113313231123313331323133313231132313   >>      C13223313311212111133133313331211113313231123313331323133313231132312   >>