[0,1,2,3,10,11,12,13,20,21,22,23,30,31,32,33,40,
41,100,101,102,103,110,111,112,113,120,121,122,
123,130,131,132,133,140,141,200,201,202,203,210,
211,212,213,220,221,222,223,230,231,232,233,240,
241,300,301,302,303,310,311,312,313,320,321,322,
323,330,331,332,333,340,341,400]
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