LLLLLL...LLLLLLLLLLLLLLLLLLL....
..LLLLLLL.RR..L..RRL....L...RRRR
....LLLR.RRRRRR...LLLLLLLLLL.LLL
LLL..LLLLLL......RRRRLL..LRRRL.R
.RLLLLLLLLLLLLLL..........L.RLL.
...................LLL..L.......
.....RRRRRRRR........LL.LLLLLLLL
LRR.....L..RRL.R.R.R.LL..LRL....
....L.L.LL.RRRRLR.....RRRRRR....
..R.L.R..RLLLRL.RR.RRRRLRR...RL.
LLLLLLLLLLLLLR...LL...LL.L....L.
.LRL....L.L.L.RL.LL..L..........
..L.............