C1111233133313231133133313331333131211111331121111331322331311111   >>    C111123313331323113313331333133313121111133112111133132233131111   <<    C1111233133313231133133313331333131211111331121111331322331311113   >>      C1111233133313231133133313331333131211111331121111331322331311112   >>