░ ◦ ◦ ◦ ◦◦ ░ ░ ◦ ░ ░ ◦ ◦ ░ ◦ ◦ ◦ ░ ░ ◦ ◦ ░ ░ ◦ ·P· ◦ ◦ ░ ◦ ···◦ ░ ░░◦PPP·PPP P ◦ ░ ◦ P·····P ··◦ ◦ ░ ▒◦ ◦◦ P·P·P·P·P ····▒▒▒▒▒P·P·P···P ◦ ▒······<·PPPFP·P ◦ ░ ░ ▒··▒▒▒▒▒·····P·P◦ ◦ ░▒▒PPPPPPP ◦ ◦◦◦◦ ····▒▒▒▒ ◦ ◦ ░ ░ ░▒▒▒▒▒▒ ░░ ░ ░