C13223313311212111133133313331323133313331323132322121111132311211233231   >>    C1322331331121211113313331333132313331333132313232212111113231121123323   <<    C13223313311212111133133313331323133313331323132322121111132311211233233   >>      C13223313311212111133133313331323133313331323132322121111132311211233232   >>