C13223313311212111133133313331333132313231323133313113313232113313331333222211   >>    C1322331331121211113313331333133313231323132313331311331323211331333133322221   <<    C13223313311212111133133313331333132313231323133313113313232113313331333222213   >>      C13223313311212111133133313331333132313231323133313113313232113313331333222212   >>