·············· ▒·····^······· ▒·≈≈≈≈≈≈≈≈≈≈·· ▒·≈········≈·· ▒·≈·····≈≈·≈·≈ ▒·≈·····≈·>≈·· ▒·≈··≈≈·≈·≈≈·· ▒·≈··≈<·≈····· ▒·≈≈·≈·≈≈····· ▒····≈········ ▒▒▒▒·≈≈≈≈≈≈≈≈≈ ▒▒▒·········· ▒·······▒▒··▒ ▒▒▒······▒▒▒·▒▒ ▒············· ▒·▒···?··▒▒▒▒▒ ▒··········▒ ▒▒▒······▒·▒ ▒······▒·▒ ······lgB···▒ ····$·······▒ ············▒ ············▒ ············▒ ············▒ ············▒