1 1 19 2 2 28 3 4 4 47 5 8 9 9 Abandoned Discussion discussion Pro Tip Removed Removed - Homework Removed - Poor title Removed - Rule 1 Removed - Rule 1 Removed - Rule 2 Removed - Rules 1 and 2 Rule 1 Show and Tell solved solved solved unsolved unsolved unsolved Waiting on OP Waiting on OP