int index = getConvokeIndex(one, columnIndex) + 1;
int numberOfColumns = (this.getNumberOfColumns() - this.getNumberOfVigilantsSlots()) / this.getNumberOfConvokeSlots(); int index = numberOfColumns - getConvokeIndex(one, columnIndex);
		protected String getHeaderGroup(int columnIndex) {			MetaObject one = getVigilantWithConvokes();			if (columnIndex < one.getSlots().size()) {				return null;			} else {				String convokeHeadPrefix = getConvokeTitle();//				int numberOfColumns = (this.getNumberOfColumns() - this.getNumberOfVigilantsSlots())//						 this.getNumberOfConvokeSlots();				int index = getConvokeIndex(one, columnIndex) + 1;				return convokeHeadPrefix + " " + index;			}		}