C111123313121111121111331333131211113313231323331322331323133313123313331123231   >>    C11112331312111112111133133313121111331323132333132233132313331312331333112323   <<    C111123313121111121111331333131211113313231323331322331323133313123313331123233   >>      C111123313121111121111331333131211113313231323331322331323133313123313331123232   >>