C13223313311212111133133313331323133313331323132322121111133313223212121   >>    C1322331331121211113313331333132313331333132313232212111113331322321212   <<    C13223313311212111133133313331323133313331323132322121111133313223212123   >>      C13223313311212111133133313331323133313331323132322121111133313223212122   >>