Chess problem details
 Chess problem diagram
Category: Fairy
Type: sd=n
Stipulation(s): sd=45
L=Locust
Magazine: ChessProblems.ca Bulletin 18, 6/2020, Pr. HC242
Year of Publishing: 2020
Conditions:
Special Grid + Symmetry Circe + Sentinelles PionAdverse
Solution:

1.LO×d7-e6 2.LO×e7-e8(+e6) 3.LO×c6-b5 4.LO×c5-d5(LOf4;+b5)
5.LO×d2-d1(LOe7;+d5) 6.LO×d5-d6(e4) 7.LO×e7-f8(LOd2;+d6)
8.LO×d6-c5(e3) 9.LO×e3-f2(d6;+c5) 10.LO×c5-b6(+f2)
11.LO×f2-g1(c7;+b6) 12.LO×b6-a7(g3) 13.LO×c7-d7(f2;+a7)
14.LO×e6-f5(d3;+d7) 15.LO×d7-c8(+f5) 16.LO×f5-g4
17.LO×g3-g2(b6;+g4) 18.LO×g4-g5(+g2) 19.LO×f6-e7
20.LO×e4-e3(d5) 21.LO×d2-c1(LOe7) 22.LO×f4-g5(LOc5)
23.LO×g2-g1(b7) 24.LO×f2-e3(c7) 25.LO×e7-e8(LOd2)
26.LO×b5-a4(g4) 27.LO×a7-a8(h2) 28.LO×b7-c6(g2)
29.LO×d5-e4(+c6) 30.LO×c4-b4(LOf5) 31.LO×b6-b7(g3)
32.LO×c7-d7(f2) 33.LO×c6-b5(+d7) 34.LO×c5-d5(LOf4)
35.LO×f5-g5(LOc4) 36.LO×f4-e3(LOc5) 37.LO×f2-g1(c7)
38.LO×c5-b6(LOf4) 39.LO×d6-e6(e3) 40.LO×d7-c8(+e6)
41.LO×e6-f5 42.LO×d3-c2(e6;+f5) 43.LO×f5-g6(+c2)
44.LO×e6-d6(d3) 45.LO×c7-b8(f2)=

Comments:
The virus is already in quarantine.(Author)
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