csebn1 bsebn aseb 9rebn1 8rebn

n1dbn m1db l1dbn1 k1dbn j1db

yadb xadbn1 wadbn vadb uadbn1

9jcbn1 8jcbn 7jcb 6jcbn1 5jcbn

ktbbn jtbb itbbn1 htbbn gtbb