d28x16
3333333333333333333333333333
3000000000000000000000000003
3000000000000770000000000003
3000000000007557000000000003
3000000000001551000000000003
3000000007071551707000000003
3000000001710701171000000003
3000007071110170111707000003
3000001711107117011171000003
3000001111001111001111000003
3007071107071011707011707003
3001711001711001171001171003
3001507071110000111707051003
3001101711100000011171011003
3001101110077777700111011003
3000900000311111130000888803