Прямоугольные раковины в Днепре

[1257,1314,1449,1462,1591,1599,1719,1749,1755,1768,1809,1836,1946,1969,2019,2067,2115,2208,2209,2220,2269,2279,2367,2452,2468,2575,2611,2621,2629,2631,2655,2657,2664,2679,2699,2700,2799,2800,2805,2810,2841,2849,2871,2886,2892,2912,2923,2939,2949,2958,2970,2985,2990,2999,3024,3033,3047,3102,3105,3108,3135,3149,3159,3168,3220,3224,3225,3276,3300,3306,3320,3339,3359,3367,3372,3380,3386,3411,3420,3439,3447,3450,3465,3484,3493,3501,3510,3512,3525,3529,3573,3588,3600,3614,3616,3629,3630,3680,3680,3683,3690,3692,3726,3734,3737,3739,3767,3786,3788,3801,3807,3810,3822,3839,3864,3872,3900,3910,3933,3955,3960,3990,4004,4012,4026,4027,4048,4050,4052,4056,4074,4083,4092,4095,4101,4125,4128,4135,4139,4169,4179,4189,4197,4234,4240,4243,4245,4261,4264,4270,4290,4294,4300,4303,4340,4345,4347,4350,4386,4399,4429,4436,4437,4454,4467,4472,4481,4488,4490,4509,4516,4520,4526,4532,4553,4573,4576,4577,4589,4590,4615,4620,4635,4650,4656,4657,4659,4669,4680,4687,4693,4700,4704,4720,4732,4750,4776,4783,4803,4830,4847,4890,4899,4913,4927,4928,4930,4931,4940,4945,4987,4990,4999,5010,5019,5024,5029,5035,5060,5060,5080,5086,5088,5130,5137,5139,5144,5148,5187,5192,5199,5229,5245,5254,5255,5258,5267,5273,5279,5280,5282,5318,5324,5355,5368,5369,5384,5387,5399,5408,5414,5418,5421,5433,5443,5451,5461,5475,5481,5509,5525,5537,5538,5586,5610,5610,5615,5616,5623,5632,5633,5649,5650,5651,5659,5660,5705,5709,5719,5750,5759,5760,5764,5770,5787,5800,5805,5810,5810,5824,5831,5839,5840,5865,5900,5901,5911,5914,5916,5923,5936,5939,5940,5959,5984,5999,6027,6032,6037,6062,6085,6132,6159,6165,6251,6272,6274,6279,6280,6292,6307,6336,6385,6390,6396,6397,6403,6407,6432,6440,6444,6492,6520,6538,6561,6570,6573,6573,6575,6583,6595,6600,6639,6669,6688,6708,6712,6719,6762,6770,6787,6823,6834,6867,6873,6879,6893,6898,6900,6922,6929,6950,6982,6990,7040,7074,7089,7122,7130,7142,7143,7152,7176,7186,7192,7215,7224,7232,7279,7290,7309,7314,7323,7345,7380,7384,7400,7407,7436,7497,7518,7521,7566,7599,7633,7650,7687,7696,7701,7706,7734,7854,7861,7910,7955,7992,8036,8058,8074,8096,8118,8138,8142,8147,8210,8214,8240,8249,8250,8262,8268,8271,8285,8286,8296,8334,8342,8343,8364,8367,8422,8424,8445,8546,8568,8635,8670,8684,8719,8751,8799,8807,8808,8823,8855,8883,8987,9011,9100,9129,9152,9159,9160,9225,9240,9247,9256,9266,9312,9404,9425,9435,9450,9491,9498,9570,9578,9593,9613,9639,9739,9756,9761,9783,9792,9863,9990,10015,10065,10090,10142,10149,10200,10215,10243,10244,10249,10300,10335,10343,10370,10410,10455,10516,10578,10600,10794,10833,10863,10901,10950,10965,10998,11016,11024,11085,11091,11124,11148,11229,11250,11272,11298,11373,11395,11472,11511,11595,11628,11661,11682,11757,11762,11810,11815,11895,11943,11972,11988,12189,12213,12228,12256,12277,12281,12291,12318,12342,12348,12349,12350,12420,12480,12499,12500,12513,12546,12550,12566,12597,12648,12750,12786,12912,12999,13045,13107,13197,13260,13261,13340,13356,13398,13443,13595,13599,13635,13639,13655,13668,13796,13812,14113,14178,14224,14224,14249,14472,14535,14586,14720,14790,14994,15066,15144,15233,15402,15606,15642,15800,15861,15870,15936,15965,16058,16133,16181,16218,16234,16270,16274,16422,16470,16626,16874,16974,17034,17083,17136,17290,17612,17736,17925,17933,18010,18050,18135,18207,18250,18314,18344,18482,18522,18600,18635,18737,18815,18989,19051,19100,19120,19252,19382,19524,19875,20475,20679,20828,20961,20971,21094,21120,21160,21306,21420,21563,21665,21723,21800,21950,21981,22500,22770,22949,23010,23136,23275,23324,23358,23401,23706,23814,24157,24175,24293,24300,24517,24525,24675,24795,24923,25122,25345,25705,25725,26059,26594,26853,26871,26901,27292,28132,28215,28220,28631,28665,28713,28779,29047,29223,29226,29454,29574,30241,30500,30595,30855,31413,32124,32651,32858,33263,34427,35798,36124,36669,37383,37434,38637,38669,39398,40268,40675,40724,42524,45452,46651,47462,51348,52326,53507,64618,74020,88992,123257]