12
23
13
137
Naked Triple
Three cells in a house whose candidates together use only three digits must hold those three digits between them — so those digits can be removed from the rest of the house.
There's a move in row 1.
Three cells in a house whose candidates together use only three digits must hold those three digits between them — so those digits can be removed from the rest of the house.
There's a move in row 1.