 the squares filled with $0$ are a $0$-bar of Type $0$.  (000,000) (00,000)[(0,0)[000]{}]{} (00,00)[(0,0)[000]{}]{} (00,00)[(0,0)[000]{}]{}(00,00)[(0,0)[000]{}]{} (00,00)[(0,0)[00]{}]{}(00,0)[(0,0)[00]{}]{}  (00,00)[(0,0)[00]{}]{} (00,00)[(0,0)[00]{}]{}(00,00)[(0,0)[00]{}]{}  (00,00)[(0,0)[00]{}]{}(00,0)[(0,0)[000]{}]{} (000,0)[(0,0)[000]{}]{}(000,00)[(0,0)[00]{}]{} (000,00)[(0,0)[00]{}]{}(000,00)[(0,0)[00]{}]{} (000,00)[(0,0)[00]{}]{}  (00,00)[$0$]{}(00,00)[$0$]{}(00,00)[$0$]{} (00,00)[$0$]{}(00,00)[$0$]{}(000,00)[$0$]{} (000,00)[$0$]{}(000,00)[$0$]{}(000,00)[$0$]{}  (00,00)[$0$]{}(00,00)[$0$]{}(00,00)[$0$]{} (00,00)[$0$]{}(000,00)[$0$]{}(000,00)[$0$]{} (000,00)[$0$]{}  (00,00)[$0$]{}(00,00)[$0$]{}(00,00)[$0$]{} (000,00)[$0$]{}(000,00)[$0$]{}(000,00)[$0$]{}  (00,00)[$0$]{}(00,00)[$0$]{}(000,00)[$0$]{}  (00,0