C13223313311212111133133313331323133313233313121111133313232211331   >>    C1322331331121211113313331333132313331323331312111113331323221133   <<    C13223313311212111133133313331323133313233313121111133313232211333   >>      C13223313311212111133133313331323133313233313121111133313232211332   >>