#include using namespace std; #define rep(i,n) for(ll i=0;i=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define pqueue(x) priority_queue,greater> #define all(x) (x).begin(),(x).end() #define CST(x) cout<> #define rev(x) reverse(x); using ll=long long; using vl=vector; using vvl=vector>; using pl=pair; using vpl=vector; using vvpl=vector; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[8]={1,0,-1,0,1,1,-1,-1}; const ll dx[8]={0,-1,0,1,1,-1,1,-1}; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } ll n=16,m=460; vvl dp(1<> k; ll base=230; dp[0][base]=1; rep(bit,1<>i&1)continue; ll x=i/4,y=i%4; ll p=0; rep(t,4){ ll nx=x+dx[t],ny=y+dy[t]; if(nx<0||ny<0||nx>=4||ny>=4)continue; ll to=nx*4+ny; if(bit>>to&1)p+=(now+1); else p-=(now+1); } dp[bit|(1<