0 l1

0 l10 l10 l10 l10 l10 l1
0 l10 l10 l10 l10 l10 l1
0 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l10 l1