@heir:
d7777 = (2330) = 2330
d7777 = (2330) = 2330d7777 = (5331) = 5331d7777 = (6307) = 6307d7777 = (5619) = 5619d7777 = (5209) = 5209d7777 = (3498) = 3498d7777 = (5361) = 5361d7777 = (2145) = 2145d7777 = (4101) = 4101d7777 = (4276) = 4276d7777 = (1905) = 1905d7777 = (1360) = 1360d7777 = (4586) = 4586d7777 = (5283) = 5283d7777 = (4952) = 4952d7777 = (4433) = 4433d7777 = (4686) = 4686d7777 = (1454) = 1454d7777 = (6691) = 6691d7777+d777 + d77 + d7 = (7087)+(625) + (16) + (6) = 7734d7777+d777 + d77 + d7 = (6405)+(340) + (10) + (1) = 6756d7777+d777 + d77 + d7 = (1361)+(296) + (61) + (5) = 1723d7777+d777 + d77 + d7 = (3300)+(696) + (40) + (5) = 4041d7777+d777 + d77 + d7 = (322)+(696) + (11) + (1) = 1030d7777 = (1547) = 1547d7777+d777 + d77 + d7 = (4863)+(230) + (2) + (7) = 5102d7777+d777 + d77 + d7 = (1024)+(354) + (32) + (5) = 1415d7777+d777 + d77 + d7 = (4507)+(534) + (25) + (3) = 5069d7777+d777 + d77 + d7 = (6758)+(734) + (4) + (4) = 7500d7777+d777 + d77 + d7 = (5310)+(496) + (48) + (7) = 5861d7777+d777 + d77 + d7 = (2388)+(376) + (38) + (5) = 2807d77777+d7777+d777+d77+d7 = (36106)+(315)+(205)+(28)+(2) = 36656d7777+d777 + d77 + d7 = (7040)+(89) + (41) + (4) = 7174d7777+d777 + d77 + d7 = (7152)+(53) + (23) + (1) = 7229