1c 2 30 2 4 50 6 72 8 91 102 3 111 1 0 121 -1 10 130 0 0 14 151 162 3 171 1 0 181 -1 10 190 0 0 20 210 22 232 24 253 6 260 -1 0 0 1 0 270 0 -1 0 0 0 280 0 0 -1 0 0 29 303 6 310 -1 0 0 1 0 320 0 -1 0 0 -1 330 0 0 -1 0 0 34 350 36