#yuki1034 q=int(input()) for x in range(q): n,i,j=map(int,input().split()) c=min(i,n-1-i,j,n-1-j) res=4*(n-c)*c e=n-1-2*c if i==c: print(res+j-c) elif j==n-1-c: print(res+e+i-c) elif i==n-1-c: print(res+2*e+n-1-c-j) else: print(res+3*e+n-1-c-i)