C3123223313331322121111331333133313331311222331323133313232112312311   >>    C312322331333132212111133133313331333131122233132313331323211231231   <<    C3123223313331322121111331333133313331311222331323133313232112312313   >>      C3123223313331322121111331333133313331311222331323133313232112312312   >>