2184,2183,2183,2184,2186,2186,2187,2188,2189,2189,2190,2190,2189,2188,2188,2187,2187,2186,2186,2185;830,831,832,833,833,832,832,833,833,832,832,831,830,830,831,831,832,832,831,830