distanceMatrix_(0,0) = 5;
distanceMatrix_(0,1) = -2;
distanceMatrix_(0,2) = -1;
distanceMatrix_(0,3) = -2;
distanceMatrix_(0,4) = -1;
distanceMatrix_(0,5) = -1;
distanceMatrix_(0,6) = -1;
distanceMatrix_(0,7) = 0;
distanceMatrix_(0,8) = -2;
distanceMatrix_(0,9) = -1;
distanceMatrix_(0,10) = -2;
distanceMatrix_(0,11) = -1;
distanceMatrix_(0,12) = -1;
distanceMatrix_(0,13) = -3;
distanceMatrix_(0,14) = -1;
distanceMatrix_(0,15) = 1;
distanceMatrix_(0,16) = 0;
distanceMatrix_(0,17) = -3;
distanceMatrix_(0,18) = -2;
distanceMatrix_(0,19) = 0;
distanceMatrix_(1,0) = -2;
distanceMatrix_(1,1) = 7;
distanceMatrix_(1,2) = -1;
distanceMatrix_(1,3) = -2;
distanceMatrix_(1,4) = -4;
distanceMatrix_(1,5) = 1;
distanceMatrix_(1,6) = 0;
distanceMatrix_(1,7) = -3;
distanceMatrix_(1,8) = 0;
distanceMatrix_(1,9) = -4;
distanceMatrix_(1,10) = -3;
distanceMatrix_(1,11) = 3;
distanceMatrix_(1,12) = -2;
distanceMatrix_(1,13) = -3;
distanceMatrix_(1,14) = -3;
distanceMatrix_(1,15) = -1;
distanceMatrix_(1,16) = -1;
distanceMatrix_(1,17) = -3;
distanceMatrix_(1,18) = -1;
distanceMatrix_(1,19) = -3;
distanceMatrix_(2,0) = -1;
distanceMatrix_(2,1) = -1;
distanceMatrix_(2,2) = 7;
distanceMatrix_(2,3) = 2;
distanceMatrix_(2,4) = -2;
distanceMatrix_(2,5) = 0;
distanceMatrix_(2,6) = 0;
distanceMatrix_(2,7) = 0;
distanceMatrix_(2,8) = 1;
distanceMatrix_(2,9) = -3;
distanceMatrix_(2,10) = -4;
distanceMatrix_(2,11) = 0;
distanceMatrix_(2,12) = -2;
distanceMatrix_(2,13) = -4;
distanceMatrix_(2,14) = -2;
distanceMatrix_(2,15) = 1;
distanceMatrix_(2,16) = 0;
distanceMatrix_(2,17) = -4;
distanceMatrix_(2,18) = -2;
distanceMatrix_(2,19) = -3;
distanceMatrix_(3,0) = -2;
distanceMatrix_(3,1) = -2;
distanceMatrix_(3,2) = 2;
distanceMatrix_(3,3) = 8;
distanceMatrix_(3,4) = -4;
distanceMatrix_(3,5) = 0;
distanceMatrix_(3,6) = 2;
distanceMatrix_(3,7) = -1;
distanceMatrix_(3,8) = -1;
distanceMatrix_(3,9) = -4;
distanceMatrix_(3,10) = -4;
distanceMatrix_(3,11) = -1;
distanceMatrix_(3,12) = -4;
distanceMatrix_(3,13) = -5;
distanceMatrix_(3,14) = -1;
distanceMatrix_(3,15) = 0;
distanceMatrix_(3,16) = -1;
distanceMatrix_(3,17) = -5;
distanceMatrix_(3,18) = -3;
distanceMatrix_(3,19) = -4;
distanceMatrix_(4,0) = -1;
distanceMatrix_(4,1) = -4;
distanceMatrix_(4,2) = -2;
distanceMatrix_(4,3) = -4;
distanceMatrix_(4,4) = 13;
distanceMatrix_(4,5) = -3;
distanceMatrix_(4,6) = -3;
distanceMatrix_(4,7) = -3;
distanceMatrix_(4,8) = -3;
distanceMatrix_(4,9) = -2;
distanceMatrix_(4,10) = -2;
distanceMatrix_(4,11) = -3;
distanceMatrix_(4,12) = -2;
distanceMatrix_(4,13) = -2;
distanceMatrix_(4,14) = -4;
distanceMatrix_(4,15) = -1;
distanceMatrix_(4,16) = -1;
distanceMatrix_(4,17) = -5;
distanceMatrix_(4,18) = -3;
distanceMatrix_(4,19) = -1;
distanceMatrix_(5,0) = -1;
distanceMatrix_(5,1) = 1;
distanceMatrix_(5,2) = 0;
distanceMatrix_(5,3) = 0;
distanceMatrix_(5,4) = -3;
distanceMatrix_(5,5) = 7;
distanceMatrix_(5,6) = 2;
distanceMatrix_(5,7) = -2;
distanceMatrix_(5,8) = 1;
distanceMatrix_(5,9) = -3;
distanceMatrix_(5,10) = -2;
distanceMatrix_(5,11) = 2;
distanceMatrix_(5,12) = 0;
distanceMatrix_(5,13) = -4;
distanceMatrix_(5,14) = -1;
distanceMatrix_(5,15) = 0;
distanceMatrix_(5,16) = -1;
distanceMatrix_(5,17) = -1;
distanceMatrix_(5,18) = -1;
distanceMatrix_(5,19) = -3;
distanceMatrix_(6,0) = -1;
distanceMatrix_(6,1) = 0;
distanceMatrix_(6,2) = 0;
distanceMatrix_(6,3) = 2;
distanceMatrix_(6,4) = -3;
distanceMatrix_(6,5) = 2;
distanceMatrix_(6,6) = 6;
distanceMatrix_(6,7) = -3;
distanceMatrix_(6,8) = 0;
distanceMatrix_(6,9) = -4;
distanceMatrix_(6,10) = -3;
distanceMatrix_(6,11) = 1;
distanceMatrix_(6,12) = -2;
distanceMatrix_(6,13) = -3;
distanceMatrix_(6,14) = -1;
distanceMatrix_(6,15) = -1;
distanceMatrix_(6,16) = -1;
distanceMatrix_(6,17) = -3;
distanceMatrix_(6,18) = -2;
distanceMatrix_(6,19) = -3;
distanceMatrix_(7,0) = 0;
distanceMatrix_(7,1) = -3;
distanceMatrix_(7,2) = 0;
distanceMatrix_(7,3) = -1;
distanceMatrix_(7,4) = -3;
distanceMatrix_(7,5) = -2;
distanceMatrix_(7,6) = -3;
distanceMatrix_(7,7) = 8;
distanceMatrix_(7,8) = -2;
distanceMatrix_(7,9) = -4;
distanceMatrix_(7,10) = -4;
distanceMatrix_(7,11) = -2;
distanceMatrix_(7,12) = -3;
distanceMatrix_(7,13) = -4;
distanceMatrix_(7,14) = -2;
distanceMatrix_(7,15) = 0;
distanceMatrix_(7,16) = -2;
distanceMatrix_(7,17) = -3;
distanceMatrix_(7,18) = -3;
distanceMatrix_(7,19) = -4;
distanceMatrix_(8,0) = -2;
distanceMatrix_(8,1) = 0;
distanceMatrix_(8,2) = 1;
distanceMatrix_(8,3) = -1;
distanceMatrix_(8,4) = -3;
distanceMatrix_(8,5) = 1;
distanceMatrix_(8,6) = 0;
distanceMatrix_(8,7) = -2;
distanceMatrix_(8,8) = 10;
distanceMatrix_(8,9) = -4;
distanceMatrix_(8,10) = -3;
distanceMatrix_(8,11) = 0;
distanceMatrix_(8,12) = -1;
distanceMatrix_(8,13) = -1;
distanceMatrix_(8,14) = -2;
distanceMatrix_(8,15) = -1;
distanceMatrix_(8,16) = -2;
distanceMatrix_(8,17) = -3;
distanceMatrix_(8,18) = 2;
distanceMatrix_(8,19) = -4;
distanceMatrix_(9,0) = -1;
distanceMatrix_(9,1) = -4;
distanceMatrix_(9,2) = -3;
distanceMatrix_(9,3) = -4;
distanceMatrix_(9,4) = -2;
distanceMatrix_(9,5) = -3;
distanceMatrix_(9,6) = -4;
distanceMatrix_(9,7) = -4;
distanceMatrix_(9,8) = -4;
distanceMatrix_(9,9) = 5;
distanceMatrix_(9,10) = 2;
distanceMatrix_(9,11) = -3;
distanceMatrix_(9,12) = 2;
distanceMatrix_(9,13) = 0;
distanceMatrix_(9,14) = -3;
distanceMatrix_(9,15) = -3;
distanceMatrix_(9,16) = -1;
distanceMatrix_(9,17) = -3;
distanceMatrix_(9,18) = -1;
distanceMatrix_(9,19) = 4;
distanceMatrix_(10,0) = -2;
distanceMatrix_(10,1) = -3;
distanceMatrix_(10,2) = -4;
distanceMatrix_(10,3) = -4;
distanceMatrix_(10,4) = -2;
distanceMatrix_(10,5) = -2;
distanceMatrix_(10,6) = -3;
distanceMatrix_(10,7) = -4;
distanceMatrix_(10,8) = -3;
distanceMatrix_(10,9) = 2;
distanceMatrix_(10,10) = 5;
distanceMatrix_(10,11) = -3;
distanceMatrix_(10,12) = 3;
distanceMatrix_(10,13) = 1;
distanceMatrix_(10,14) = -4;
distanceMatrix_(10,15) = -3;
distanceMatrix_(10,16) = -1;
distanceMatrix_(10,17) = -2;
distanceMatrix_(10,18) = -1;
distanceMatrix_(10,19) = 1;
distanceMatrix_(11,0) = -1;
distanceMatrix_(11,1) = 3;
distanceMatrix_(11,2) = 0;
distanceMatrix_(11,3) = -1;
distanceMatrix_(11,4) = -3;
distanceMatrix_(11,5) = 2;
distanceMatrix_(11,6) = 1;
distanceMatrix_(11,7) = -2;
distanceMatrix_(11,8) = 0;
distanceMatrix_(11,9) = -3;
distanceMatrix_(11,10) = -3;
distanceMatrix_(11,11) = 6;
distanceMatrix_(11,12) = -2;
distanceMatrix_(11,13) = -4;
distanceMatrix_(11,14) = -1;
distanceMatrix_(11,15) = 0;
distanceMatrix_(11,16) = -1;
distanceMatrix_(11,17) = -3;
distanceMatrix_(11,18) = -2;
distanceMatrix_(11,19) = -3;
distanceMatrix_(12,0) = -1;
distanceMatrix_(12,1) = -2;
distanceMatrix_(12,2) = -2;
distanceMatrix_(12,3) = -4;
distanceMatrix_(12,4) = -2;
distanceMatrix_(12,5) = 0;
distanceMatrix_(12,6) = -2;
distanceMatrix_(12,7) = -3;
distanceMatrix_(12,8) = -1;
distanceMatrix_(12,9) = 2;
distanceMatrix_(12,10) = 3;
distanceMatrix_(12,11) = -2;
distanceMatrix_(12,12) = 7;
distanceMatrix_(12,13) = 0;
distanceMatrix_(12,14) = -3;
distanceMatrix_(12,15) = -2;
distanceMatrix_(12,16) = -1;
distanceMatrix_(12,17) = -1;
distanceMatrix_(12,18) = 0;
distanceMatrix_(12,19) = 1;
distanceMatrix_(13,0) = -3;
distanceMatrix_(13,1) = -3;
distanceMatrix_(13,2) = -4;
distanceMatrix_(13,3) = -5;
distanceMatrix_(13,4) = -2;
distanceMatrix_(13,5) = -4;
distanceMatrix_(13,6) = -3;
distanceMatrix_(13,7) = -4;
distanceMatrix_(13,8) = -1;
distanceMatrix_(13,9) = 0;
distanceMatrix_(13,10) = 1;
distanceMatrix_(13,11) = -4;
distanceMatrix_(13,12) = 0;
distanceMatrix_(13,13) = 8;
distanceMatrix_(13,14) = -4;
distanceMatrix_(13,15) = -3;
distanceMatrix_(13,16) = -2;
distanceMatrix_(13,17) = 1;
distanceMatrix_(13,18) = 4;
distanceMatrix_(13,19) = -1;
distanceMatrix_(14,0) = -1;
distanceMatrix_(14,1) = -3;
distanceMatrix_(14,2) = -2;
distanceMatrix_(14,3) = -1;
distanceMatrix_(14,4) = -4;
distanceMatrix_(14,5) = -1;
distanceMatrix_(14,6) = -1;
distanceMatrix_(14,7) = -2;
distanceMatrix_(14,8) = -2;
distanceMatrix_(14,9) = -3;
distanceMatrix_(14,10) = -4;
distanceMatrix_(14,11) = -1;
distanceMatrix_(14,12) = -3;
distanceMatrix_(14,13) = -4;
distanceMatrix_(14,14) = 10;
distanceMatrix_(14,15) = -1;
distanceMatrix_(14,16) = -1;
distanceMatrix_(14,17) = -4;
distanceMatrix_(14,18) = -3;
distanceMatrix_(14,19) = -3;
distanceMatrix_(15,0) = 1;
distanceMatrix_(15,1) = -1;
distanceMatrix_(15,2) = 1;
distanceMatrix_(15,3) = 0;
distanceMatrix_(15,4) = -1;
distanceMatrix_(15,5) = 0;
distanceMatrix_(15,6) = -1;
distanceMatrix_(15,7) = 0;
distanceMatrix_(15,8) = -1;
distanceMatrix_(15,9) = -3;
distanceMatrix_(15,10) = -3;
distanceMatrix_(15,11) = 0;
distanceMatrix_(15,12) = -2;
distanceMatrix_(15,13) = -3;
distanceMatrix_(15,14) = -1;
distanceMatrix_(15,15) = 5;
distanceMatrix_(15,16) = 2;
distanceMatrix_(15,17) = -4;
distanceMatrix_(15,18) = -2;
distanceMatrix_(15,19) = -2;
distanceMatrix_(16,0) = 0;
distanceMatrix_(16,1) = -1;
distanceMatrix_(16,2) = 0;
distanceMatrix_(16,3) = -1;
distanceMatrix_(16,4) = -1;
distanceMatrix_(16,5) = -1;
distanceMatrix_(16,6) = -1;
distanceMatrix_(16,7) = -2;
distanceMatrix_(16,8) = -2;
distanceMatrix_(16,9) = -1;
distanceMatrix_(16,10) = -1;
distanceMatrix_(16,11) = -1;
distanceMatrix_(16,12) = -1;
distanceMatrix_(16,13) = -2;
distanceMatrix_(16,14) = -1;
distanceMatrix_(16,15) = 2;
distanceMatrix_(16,16) = 5;
distanceMatrix_(16,17) = -3;
distanceMatrix_(16,18) = -2;
distanceMatrix_(16,19) = 0;
distanceMatrix_(17,0) = -3;
distanceMatrix_(17,1) = -3;
distanceMatrix_(17,2) = -4;
distanceMatrix_(17,3) = -5;
distanceMatrix_(17,4) = -5;
distanceMatrix_(17,5) = -1;
distanceMatrix_(17,6) = -3;
distanceMatrix_(17,7) = -3;
distanceMatrix_(17,8) = -3;
distanceMatrix_(17,9) = -3;
distanceMatrix_(17,10) = -2;
distanceMatrix_(17,11) = -3;
distanceMatrix_(17,12) = -1;
distanceMatrix_(17,13) = 1;
distanceMatrix_(17,14) = -4;
distanceMatrix_(17,15) = -4;
distanceMatrix_(17,16) = -3;
distanceMatrix_(17,17) = 15;
distanceMatrix_(17,18) = 2;
distanceMatrix_(17,19) = -3;
distanceMatrix_(18,0) = -2;
distanceMatrix_(18,1) = -1;
distanceMatrix_(18,2) = -2;
distanceMatrix_(18,3) = -3;
distanceMatrix_(18,4) = -3;
distanceMatrix_(18,5) = -1;
distanceMatrix_(18,6) = -2;
distanceMatrix_(18,7) = -3;
distanceMatrix_(18,8) = 2;
distanceMatrix_(18,9) = -1;
distanceMatrix_(18,10) = -1;
distanceMatrix_(18,11) = -2;
distanceMatrix_(18,12) = 0;
distanceMatrix_(18,13) = 4;
distanceMatrix_(18,14) = -3;
distanceMatrix_(18,15) = -2;
distanceMatrix_(18,16) = -2;
distanceMatrix_(18,17) = 2;
distanceMatrix_(18,18) = 8;
distanceMatrix_(18,19) = -1;
distanceMatrix_(19,0) = 0;
distanceMatrix_(19,1) = -3;
distanceMatrix_(19,2) = -3;
distanceMatrix_(19,3) = -4;
distanceMatrix_(19,4) = -1;
distanceMatrix_(19,5) = -3;
distanceMatrix_(19,6) = -3;
distanceMatrix_(19,7) = -4;
distanceMatrix_(19,8) = -4;
distanceMatrix_(19,9) = 4;
distanceMatrix_(19,10) = 1;
distanceMatrix_(19,11) = -3;
distanceMatrix_(19,12) = 1;
distanceMatrix_(19,13) = -1;
distanceMatrix_(19,14) = -3;
distanceMatrix_(19,15) = -2;
distanceMatrix_(19,16) = 0;
distanceMatrix_(19,17) = -3;
distanceMatrix_(19,18) = -1;
distanceMatrix_(19,19) = 5;
