Hb4

Hb4Hb4Hb4Hb4
Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4
Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4
Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4
Hb4Hb4Hb4Hb4Hb4Hb4Hb4Hb4