o----p---- o----o---- o - t t-w-e-t-t-w- p - i i-u-t-y-y-w- o - t t-w-e-t-t-w- o - e w--y - y u-y- o - t t-w-e-t-t-w- p - i i-u-t-y-y-w- o - t t-w-e-t-t-w- o - e w--y - y u-y- p-t-t-t-o--u-u- o-y t---- p-t-t-t-o--e-e- o-w---- p-t-t-t-o-y--y- o - o - p - y t--- p-e-t-e-p-t--e- o--e-o---- o - p - o - o-o - o- p-o--p--u-u-y- p - p - o--u-u-y- p - y - o--u-u-y- o - p - o - o-o - o- p-o--p--u-u-y- p - p - o--t-t-t- o - y - p---o-- o----p---- o----o