2321,2322,2324,2326,2327,2329,2331,2332,2333,2332,2333,2335,2335,2335,2334,2334,2333,2331,2330,2330,2329,2327,2325,2323,2321,2321,2320,2321,2321,2320;897,898,899,898,899,898,897,897,896,895,894,892,890,887,885,883,884,885,884,883,882,883,886,886,887,889,890,892,895,896