1 grid

11 grids

grid 2 on line 2

// clear is necessary to create element in the next line

grid 1 line 1

grid 2 line 2

//prefix

grid 4 prefix 1

//suffix

grid 2 with suffix 4

grid 2

//prefix + grid > total grid, grid is outside the width of the page

grid 12, we lost one grid outside the boundary of the page width