╣╩╝╥╩╠
╥╞╨╞╬╬
═╚╠╡╝╥
╨╦╝╡╬═
║╗╝═╝╗
╠╡╩╚╣╦
A 4 1
D 2 3 1
D 3 5 2
D 4 0 3