The image converted to labeled "8-connected" components: 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 1 0 1 0 2 2 2 0 1 1 1 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0