0-w-w-0 9 8 - 9 q 0 9 8 e - e w - q w---- 0-w-w-0 9 8 - 9 q 0 9 8 8 - 0 9 - 8 8---- e-e-e-e e e-r-w - w q-q-e-e e e-e- e--W-- w-0-0-w q 0 - q e w q 0 e - w q - q 0---- w-w-w-w w 0 - 0 0 0 0 0 q-q q q-q- q--0-- w-w-w-w w 0 - 0 0 0 0 0 q - q q - q 0---w- e-e-e-e e q-w-w - w q-q-e-e e e-e- e--W-- w-w-w-w w 0 - 0 0 0 0 0 q - q q - q 0---0 0 0---0- 8---q- q---- 0