Marked_..zyx.(.(x,y),z).(x,.(y,z)).(.(x,y),z).(x,.(y,z))Marked_.(.(x,y),z)Marked_.(x,.(y,z))Marked_.(.(x,y),z)Marked_.(y,z).(.(x,y),z).(x,.(y,z))Marked_.(.(x,y),z)Marked_.(x,.(y,z))Marked_.(.(x,y),z)Marked_.(y,z)Marked_.1Marked_.(.(x,y),z)Marked_.(y,z)Marked_.(.(x,y),z)Marked_.(x,.(y,z)).(.(x,y),z).(x,.(y,z))