impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible RR* ULL ULL ULL DR* RUL ULL ULL DD* RRU ULL ULL DD* DRU RUL ULL DD* DDU RRU ULL DD* DDU DRU RUL DD* DDU DDU RRU RR* RUL ULL ULL RD* RRU ULL ULL RD* DRU RUL ULL RD* DDU RRU ULL RD* DDU DRU RUL RD* DDU DDU RRU RR* RRU ULL ULL RR* DRU RUL ULL RR* DDU RRU ULL RR* DDU DRU RUL RR* DDU DDU RRU RR* RRU RUL ULL RR* RDU RRU ULL RR* RDU DRU RUL RR* RDU DDU RRU RR* RRU RRU ULL RR* RRU DRU RUL RR* RRU DDU RRU RR* RRU RRU RUL RR* RRU RDU RRU RR* RRU RRU RRU impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible RR* UUL ULL ULL DR* RUU ULL ULL DD* RRU UUL ULL DD* DRU RUU ULL DD* DDU RRU UUL DD* DDU DRU RUU RR* RUU ULL ULL RD* RRU UUL ULL RD* DRU RUU ULL RD* DDU RRU UUL RD* DDU DRU RUU RR* RRU UUL ULL RR* DRU RUU ULL RR* DDU RRU UUL RR* DDU DRU RUU RR* RRU RUU ULL RR* RDU RRU UUL RR* RDU DRU RUU RR* RRU RRU UUL RR* RRU DRU RUU RR* RRU RRU RUU impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible RR* UUU ULL ULL DR* RUU UUL ULL DD* RRU UUU ULL DD* DRU RUU UUL DD* DDU RRU UUU RR* RUU UUL ULL RD* RRU UUU ULL RD* DRU RUU UUL RD* DDU RRU UUU RR* RRU UUU ULL RR* DRU RUU UUL RR* DDU RRU UUU RR* RRU RUU UUL RR* RDU RRU UUU RR* RRU RRU UUU impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible impossible RR* UUU UUL ULL DR* RUU UUU ULL DD* RRU UUU UUL DD* DRU RUU UUU RR* RUU UUU ULL RD* RRU UUU UUL RD* DRU RUU UUU RR* RRU UUU UUL RR* DRU RUU UUU RR* RRU RUU UUU impossible impossible impossible impossible impossible impossible impossible impossible impossible RR* UUU UUU ULL DR* RUU UUU UUL DD* RRU UUU UUU RR* RUU UUU UUL RD* RRU UUU UUU RR* RRU UUU UUU impossible impossible impossible impossible impossible impossible impossible RR* UUU UUU UUL DR* RUU UUU UUU RR* RUU UUU UUU impossible impossible impossible impossible impossible RR* UUU UUU UUU impossible impossible impossible impossible