[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[dd$[[[[[[[[[[[[[[[[[[[[[[[[[[[[[d$dd$[[[[[[[[[[[[[[[[[[[[[[[[[[[d$[[d$[[[[[[[[RR[[[[[[[[[[[[[[[d$[[[d$[[[[[[RR[[[[[[[[[[[[[[[d$[[[d$[[[[[[[[[[[[[[[[[[[[[[[[d$[[[d$[[[[[[[[[[[[[[[[[[[[[[[[d$[[d$[[[[[[[[[[[[[[[[[[[[[[[[[d$[d$[[[[[[[[[[[[[[ddd$[[[[[[????[[[[[[[[[[[[[[[[[RRvvvvvv[[[[[[[[[[v?Rvvvvvv[[[[[[[[vvv?Rvvvvvv[[[[[[vvvvv?vvvvvv[[[[vvvvvvv?vvvvvvvv[[[vvvvvvvv??vvvvvvv[vvvvvvvvvvvvv?vvvvvvvvvvvvvvvvvvvv?vv?vvvvvvvvvvvvvvvvvvvvvvv?vv?vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv