import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int t = sc.nextInt(); StringBuilder sb = new StringBuilder(); while (t-- > 0) { int n = sc.nextInt(); int[] values = new int[n]; int two = -1; for (int i = 0; i < n; i++) { values[i] = sc.nextInt(); if (values[i] == 2) { two = i; } } if (two == -1) { sb.append("No\n"); continue; } boolean[] isBigger = new boolean[n]; boolean enable = true; isBigger[two] = true; for (int i = 1; i < n && enable; i++) { int current = (two + i) % n; int last = (two + i - 1) % n; if (values[current] == 0) { enable = isBigger[last]; } else if (values[current] == 1) { isBigger[current] = isBigger[last]; } else { enable = !isBigger[last]; isBigger[current] = true; } } enable &= !isBigger[(two + n - 1) % n]; if (enable) { sb.append("Yes\n"); } else { sb.append("No\n"); } } System.out.print(sb); } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }