added some comments in the ungolfed code
added some comments in the ungolfed code

wolfascu/codegolf,clupascu/codegolf,clupascu/codegolf,wolfascu/codegolf,clupasq/codegolf,wolfascu/codegolf,wolfascu/codegolf,clupasq/codegolf,clupasq/codegolf,clupasq/codegolf,clupascu/codegolf