4 ms·
Every box points to a box and is pointed to by a box. If at first you try box 3 and it doesn't contain your number 3, then your number 3 is out there and its b
by savanaly 8y ago
Every box points to a box and is pointed to by a box.
If at first you try box 3 and it doesn't contain your number 3, then your number 3 is out there and its box points to the one you tried. Thus its box is in your chain and has your number.