D2122132313112331313133313223313132313331323321111331323133313233313232213111   >>    D212213231311233131313331322331313231333132332111133132313331323331323221311   <<    D2122132313112331313133313223313132313331323321111331323133313233313232213113   >>      D2122132313112331313133313223313132313331323321111331323133313233313232213112   >>