42 Writing, creating, developing, maintaining, and leasing of computer software; development of computer software applications solutions; writing, creating, developing, maintaining and leasing of software for use in 3D design of footwear; design services relating to computer programs; services providing non-downloadable software tools and toolsets for 3D design of footwear; providing temporary use of online non-downloadable computer software; rental of computer software; software as a service; computer software technical support services; information, advisory and consultancy services relating to the aforesaid services