0132,0142,0143,0152,0153,0154,0162,0163,0164,0172,0173,0174,0176,0182,0183,0184,0186,0187,0243,0253,0254,0263,0264,0273,0274,0276,0283,0284,0286,0287,0354,0364,0374,0376,0384,0386,0387,0476,0486,0487,0576,0586,0587,0687,1132,1142,1143,1152,1153,1154,1162,1163,1164,1172,1173,1174,1176,1182,1183,1184,1186,1187,1243,1253,1254,1263,1264,1273,1274,1276,1283,1284,1286,1287,1354,1364,1374,1376,1384,1386,1387,1476,1486,1487,1576,1586,1587,1687,3354,3364,3374,3376,3384,3386,3387,3476,3486,3487,3576,3586,3587,3687,4476,4486,4487,4576,4586,4587,4687,5576,5586,5587,5687,6687
