--------------------------------------------------------------------------------------R3construCtiOn-------
LLLLLLLL LL LL
LLLLLLLLLL LL
LLLLLLLL LL LL
LLLLLL
LL LL LL LL LL LL
......................................................LLLLLLLL
......................................................LLLLLLLLLL
......................................................LLLLLLLL
......................................................LLLLLL
LLLLLLLL LL LL
LLLLLLLLLL LL
LLLLLLLL LL LL
LLLLLL
LL LL LL LL LL LL
......................................................LLLLLLLL
......................................................LLLLLLLLLL
......................................................LLLLLLLL
......................................................LLLLLL


