$1-4: Filing Stairs#51mm0n5#none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|5^540,564!0^72,492!0^84,492!0^96,492!0^84,480!0^84,504!0^324,564!0^312,564!0^300,564!0^288,564!0^276,564!0^276,552!0^288,552!0^300,552!0^312,552!0^324,552!1^132,300!1^492,168!1^756,324!1^732,324!1^696,324!1^708,324!1^720,324!1^744,324!1^768,324!1^684,324!1^660,324!1^672,324!1^720,192!1^504,348!1^252,468!0^564,564!0^588,564!0^576,564!0^600,564!0^612,564!0^624,564!0^636,564!0^660,564!0^648,564!0^672,564!0^684,564!0^696,564!0^708,564!0^720,564!0^732,564!0^744,564!0^756,564!0^756,552!0^756,540!0^756,528!0^756,516!0^744,528!0^768,528!9^252,468,0,0,6,8,1,-1,0!9^588,60,1,0,6,8,1,0,0!11^156,204,624,120!12^624,96!0^204,372!0^192,384!0^204,384!0^216,384!0^216,372!0^192,372!8^480,36,1!3^36,36!9^540,564,0,0,1,1,1,0,0!9^540,564,1,0,1,1,1,0,0#