DIM = 21 INEQUALITIES_SECTION -x1 -x2 -x3 +x12 +x14 +x19 == -9 x1 -x4 -x5 -x6 +x15 +x17 == -2 x4 -x7 -x8 -x9 +x18 +x20 == -3 x2 +x7 -x10 -x11 -x12 +x21 == 1 x3 +x5 +x10 -x13 -x14 -x15 == 5 x6 +x8 +x13 -x16 -x17 -x18 == 4 x9 +x11 +x16 -x19 -x20 -x21 == 4 x1 >=0 x2 >=0 x3 >=0 x4 >=0 x5 >=0 x6 >=0 x7 >=0 x8 >=0 x9 >=0 x10 >=0 x11 >=0 x12 >=0 x13 >=0 x14 >=0 x15 >=0 x16 >=0 x17 >=0 x18 >=0 x19 >=0 x20 >=0 x21 >=0 END