panic: runtime error: index out of range [2] with length 2

goroutine 1 [running]:
main.solveCase({0x4000098020?, 0x40000bc000?, 0x40000a0dc8?}, 0x4000098090?, {0x40000b8000, 0x3, 0x40000a0cd8?})
	/home/ubuntu/codeforces/1000-1999/1400-1499/1470-1479/1470/verifierE.go:65 +0xd8
main.generateCase(0x40000a0ec8)
	/home/ubuntu/codeforces/1000-1999/1400-1499/1470-1479/1470/verifierE.go:94 +0x354
main.main()
	/home/ubuntu/codeforces/1000-1999/1400-1499/1470-1479/1470/verifierE.go:129 +0x18c
exit status 2