C132233133112121111331333133313331323132313223313231333233231311   >>    C13223313311212111133133313331333132313231322331323133323323131   <<    C132233133112121111331333133313331323132313223313231333233231313   >>      C132233133112121111331333133313331323132313223313231333233231312   >>