BM 6 ( ` NNNNNNNNN MMMNNNMMMOOO QQQQQQQQQQQQ UUUUUUUUUTTT XXXWWWWWWWWW [[[ZZZZZZZZZ ^^^]]]^^^^^^ bbbbbbbbbbbb fffffffffeee jjjkkkjjjjjj pppooooooppp ssstttsssuuu xxxyyyxxxxxx |||~~~||||||