Example:
Initial State
JVIOTETSEGONMPYVQMWXLRDCIWYAZZGSKDFHKJULNRCQXUBPFBAH
Keystream
OEPULTPAMZVSZLHLEINNNULBPKDXPDUCDOUPOCYOHSZRZQMLBSHKBSEKHTVC
TZKBFRLUCAPABIJXROUIVSQVBYQYPEGHALWZUPOLXZWDFCKYNGXNMAYTAOYT
UJDJSZJHBAGLJIRURSSCLHAHXXUIQXIORDWAAXMHPVMKKHYAKSNFTKXXXCST
ITTLTACQCCCRWOUZBVOPOIIHLQFYQQWKSKKARKKLAKRXNXHICGXCWQJAZBLZ
XMOPYMEYOXQMCCXXMKFEXBNPXWPOCIYDIYGPWDZYNJBSJCFIXWJJJUUZEGBU
QUWBTCIVWDOSYEVTHZRTGFZIKJFJFGDDFBJUNBPNLBAGRMTWTYHEGNDHDVVS
IMYZNCOCWKUBJKNLBBWCYRTPUAUAFTLUDXBKCFCBTIMENKWINZGMCKXCEEXM
OISVSNEONYBHPZJEPBYASJWABADZDIIVFALCULCAIAPXFOQHMSQLEKWFFUIN
NGJROAOOOAXAKXWWFQBPYLOFHUGTIJGUGXXEMDCDHLZXPYPQDNXONGFAHFER
FUYBXBOVJCXJALWGSNSMCFIKIKKONNCLBFOLITTAXSOISBOEOJYDWWYHTARG