C13132313123113313223313133313231133132333132311113313233313232211331   >>    C1313231312311331322331313331323113313233313231111331323331323221133   <<    C13132313123113313223313133313231133132333132311113313233313232211333   >>      C13132313123113313223313133313231133132333132311113313233313232211332   >>