C13223313311212111133133313331323133313331323121111133313232113331   >>    C1322331331121211113313331333132313331333132312111113331323211333   <<    C13223313311212111133133313331323133313331323121111133313232113333   >>      C13223313311212111133133313331323133313331323121111133313232113332   >>