case 1 failed: runtime error: exit status 2
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0xaac2c]

goroutine 1 [running]:
main.main()
	/tmp/build-637152947/solution.go:255 +0x72c

exit status 1