WHILETRUEB1key11w/test.txtf0,1,2,301001xd0,1,2,3115intx50d010000110-1i310iONshift_left1MixlyxintxdfMixly10ff10B2key21r/sd/test.txtf0,1,2,301601xsreadlinefsdintxs0x12750x50intx0d0200001270255,255,0#fffffffException as ee20{}aW1wb3J0IG1peGdvX2NjCmZyb20gbWl4Z29fY2MgaW1wb3J0IG9uYm9hcmRfbGVkCmZyb20gbWl4Z29fY2MgaW1wb3J0IG9uYm9hcmRfc291bmQKZnJvbSBtaXhweSBpbXBvcnQgbWF0aF9tYXAKZnJvbSBtaXhnb19jYyBpbXBvcnQgb25ib2FyZF9tYXRyaXgKCgp3aGlsZSBUcnVlOgogICAgaWYgbWl4Z29fY2MuQjFrZXkud2FzX3ByZXNzZWQoKToKICAgICAgICBvbmJvYXJkX2xlZC5zZXRvbm9mZigxLDEpCiAgICAgICAgZiA9IG9wZW4oJy90ZXN0LnR4dCcsICd3JykKICAgICAgICBmb3IgeCBpbiByYW5nZSgwLCAxMDAsIDEpOgogICAgICAgICAgICBkID0gb25ib2FyZF9zb3VuZC5yZWFkKCkKICAgICAgICAgICAgZm9yIGkgaW4gcmFuZ2UoMTEsIGludCgobWF0aF9tYXAoZCwgMCwgMTAwMDAsIDExLCAwKSkpLCAtMSk6CiAgICAgICAgICAgICAgICBvbmJvYXJkX21hdHJpeC5waXhlbChpbnQoMzEpLCBpbnQoaSksIDEpCiAgICAgICAgICAgICAgICBvbmJvYXJkX21hdHJpeC5zaG93KCkKICAgICAgICAgICAgb25ib2FyZF9tYXRyaXguc2hpZnRfbGVmdCgxKQogICAgICAgICAgICBmLndyaXRlKHN0cihpbnQoZCkpKQogICAgICAgICAgICBmLndyaXRlKGNocigxMCkpCiAgICAgICAgZi5jbG9zZSgpCiAgICAgICAgb25ib2FyZF9sZWQuc2V0b25vZmYoMSwwKQo=