iiiiiiiiiiiiiiii---- o ooooooooooooooo---- p ppppppppppppppp---- P PPPPPPPPPPPPPPP---- s sssssssssssssss---- d ddddddddddddddd---- f fffffffffffffff---- g ggggggggggggggg---- f fffffffffffffff---- d ddddddddddddddd---- s sssssssssssssss---- P PPPPPPPPPPPPPPP---- p ppppppppppppppp---- o ooooooooooooooo---- i iiiiiiiiiiiiiii---- i-- o-- p--P-- s--d-- f--g-- g--f-- d--s-- P--p-- o--i---- i- o-p-P- s-d-f-g- g-f-d-s- P-p-o-i