It's easy for cursor to go off viewport, and that seems fine. Just don't let a cursor off screen receive keys.
ZOLCTAGUUMQQ4MOZNVUANNOGEHWS7BYDTIMP3ZABLYKWUSAAMMPQC
O2E2MUT2SBJ3RYHEEYUZ524UPK2CDQQCW64BQNMXNTE5RWQGLH5AC
VAVXKWZVOFJGWHCWYLTPDKSKKMSJEBKXNKXUW3T6IZAC3HE6HOIQC
KKQKPGCIHAG2JESQAWEMCBTAKBDC5AVIQ6LCZ2ORQM2AUCFQYLSQC
2L5MEZV344TOZLVY3432RHJFIRVXFD6O3GWLL5O4CV66BGAFTURQC
ZM7NOBRMD5HHA35Y4JDC76EOA2RD4KQOQCPURXYKXA6ABMKOJIGQC
PRE6XPRNICDCHMF7C45A6DRPVT47IPAIWW6Q7AHNGW3D2PBGOPNAC