Reference: Fragmentation with ::before/::after items

5:before 2:after 1:before 1 1:after 2:before 2 3:before 3 3:after 4:before 4 4:after 5 5:after
5:after 4:after 1:before 1 1:after 2:before 2 2:after 3:before 3 3:after 4:before 4 5:before 5
5:after 5:before 1:before 1 1:after 2:before 2 2:after 3:before 3 3:after 4:before 4 4:after 5
5:before 5:after 1:before 1 1:after 2:before 2 2:after 3:before 3 3:after 4:before 4 4:after 5
5:before 4:before 1:before 1 1:after 2:before 2 2:after 3:before 3 3:after 4 4:after 5 5:after
1:before 5:before 1 1:after 2:before 2 4:before 2:after 3:before 3
1:before 1 1:after