Problem 931. Rubik's Mini-Cube: Solve Randomized Mini-Cube - Score : Moves

The Challenge is to Solve a thoroughly scrambled Mini-Rubik's Cube(2x2x2).

The Performance metric is average number of moves for solving 500 cubes.

A standard Mini-Rubik's Cube is shown in 3-D and also unfolded to identify the specific Tile-face/Vector numbering.

The faces are White-Up / Red-Left / Blue-Front / Orange-Right / Yellow-Down / Green-Back (ULFRDB)

Moves are denoted as F for clockwise rotation of the Front face. F'(or FP) is CCW and F2 is F twice. The provided function r_new=rubick_rot_mini(mov,r) implements moves 1-18: UFDLBRU'F'D'L'B'R'U2F2D2L2B2R2.

Input: (rubik)
rubik: row vector of size 24
(The cube started [L=0,U=1,F=2,D=3,B=4,R=5] and then receives forty face moves.
Output: move_vec (Numeric of moves to solve)
 move_vec:values 1:27 for UFDLBR U'F'D'L'B'R' U2F2D2L2B2R2 XYZX'Y'Z'X2Y2Z2
  • Example:
  • If the cube was randomized by [1 9] UD', one solution is [3 7] which are the complements in reverse order.
  • Scoring is average face moves for 500 cubes
  • Cube Moves X, Y, and Z do not constitute a move but are needed in the vector
  • A string to numeric value function is provided in the template
  • Verifications will be by executing your move vector against the provided Rubik and counting number of face moves.

The function rubik_rot_mini(mov,r) is provided in the template.

The Function Template Contains a 3D Cube Viewer and the first step in solving is at the bottom in a comment block.

Coming Soon: The Mini-Cube (2x2x2): Full Random - Eleven or Less Moves

Solution Stats

25.0% Correct | 75.0% Incorrect
Last Solution submitted on Apr 07, 2021

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers2

Suggested Problems

More from this Author294

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!