Properties
cols
cols: string = this.digits
digits
digits: string = "123456789"
Private peers
peers: Map<string, Set<string>> = new Map()
rows
rows: string = "ABCDEFGHI"
Private squares
squares: string[] = constants.squares
transitions
transitions: Set<Map<string, string>>
Private unitlist
unitlist: string[][] = constants.unitlist
Private units
units: Map<string, string[][]> = new Map()