copy (backup original first) paste on line 128 in theme php (empty line just after the closing "; save the pages you wanted are on last copied line . custompages... one thing to be kept in mind : possible changes to #ti in style css. You have to look into that yourself if it is needed/ success
oops ; one little mistake in code : on top in line 6> ti2 change this back to ti
After setting the custom page layout with no side block (full) I want to set a new custom page (without losing the full) in which you will only see the blocks on the left menu