Draw a line that starts at 0 and visits numbers 0 to 9 in order. The line can only be horizontal or vertical, cannot cross itself, and can only change direction at dots. All dots must be visited.
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . 2 .
. . . 9 . . 0 . . .
. . . . . . . . . .
. . . . 5 . 7 . . .
. . 6 . . 8 . . . .
. 1 . . . . . . . .
. 3 . . . . . . . 4
. . . . . . . . . .
Nope. Sorry.
Directions from 0:
DRRDDDDLLLLLULL(1)
UUUUUURRRRRRRD(2)
RUULLLLLLLLLDDDDDDDDDRU(3)
RDRRRRRRRU(4)
UUUUULLULLLLLDDRRD(5)
LLD(6)
RRDRRRUUL(7)
DL(8)
UUULL(9)
Is this unique?
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Posted by Jer
on 2005-03-10 18:34:29 |