AJUTORRRRRRRRRRRRRRRRRRRRRRRRRRRRRR!!!

Il scriem pe 2001 ca suma a 5 patrate perfecte, din care doua sunt identice, (avem 2•d²).
Cautam cel mai mare p.p. <2011
a²=44²=1936;
b²=8²=64
c²=3²=9
2•d²=2•1²=2
a²+b²+c²+2•d²=1936+64+9+2=2011
Deci, exista!