111,112,113,114,115,116,117,121,122,123,124,125,126,127,131,132,133,134,135,136,137,141,142,143,144,145,146,147,151,152,153,154,155,156,157,161,162,163,164,165,166,167,171,172,173,174,175,176,177,211,212,213,214,215,216,217,221,222,223,224,225,226,227,231,232,233,234,235,236,237,241,242,243,244,245,246,247,251,252,253,254,255,256,257,261,262,263,264,265,266,267,271,272,273,274,275,276,277,311,312,313,314,315,316,317,321,322,323,324,325,326,327,331,332,333,334,335,336,337,341,342,343,344,345,346,347,351,352,353,354,355,356,357,361,362,363,364,365,366,367,371,372,373,374,375,376,377,411,412,413,414,415,416,417,421,422,423,424,425,426,427,431,432,433,434,435,436,437,441,442,443,444,445,446,447,451,452,453,454,455,456,457,461,462,463,464,465,466,467,471,472,473,474,475,476,477,511,512,513,514,515,516,517,521,522,523,524,525,526,527,531,532,533,534,535,536,537,541,542,543,544,545,546,547,551,552,553,554,555,556,557,561,562,563,564,565,566,567,571,572,573,574,575,576,577,611,612,613,614,615,616,617,621,622,623,624,625,626,627,631,632,633,634,635,636,637,641,642,643,644,645,646,647,651,652,653,654,655,656,657,661,662,663,664,665,666,667,671,672,673,674,675,676,677,711,712,713,714,715,716,717,721,722,723,724,725,726,727,731,732,733,734,735,736,737,741,742,743,744,745,746,747,751,752,753,754,755,756,757,761,762,763,764,765,766,767,771,772,773,774,775,776,777