42.15 4x4 solve by Thom Barlow

Scramble

f' D R2 f u' L' D2 u r u r' B2 U D' r2 R2 B' U' R2 L2 f' r U2 B R' u' B2 r f F2 R2 F B' U' F2 f2 U u' L2 F'

Solution

z y2 // inspection
1st 2 centres / 1x3x4 block
r2' U' r // white / WO
x' U U' l' U' r (z x') U l' U' r (x' y) 3u l' U l // yellow
(z' y2) l' U r' U // 1/2 WB
x U // 1/2 WR
x' R' U' R' U // WRB
x (L 3r) U 3r' r R' U' // WB / WOB / 3x3x1 +1C
x2 x' F' U' 3r r' U // WR / 4x3x1
finish centres / 1st layer
(L' 3r') 3r' r2 U' r2' // red
3r r' U' r U 3r' r U' r' 3r' r2 U' r2' // blue
U' 3r r' // OB
U r 3r' // orange / green
R' 3r U' 3r' // WOB block
r' U' R U r R2' U' U' // WG
R U' R' // WGO
U U R U' R' U R U' z' // WGR
F3L
U 3r' r U' U U L U' 3r r' U L' // dGR
U U L' U 2L' U' L U L' l // dGO
U' U U r U' L' U r' U' L // uGO
U L U' r' U L' U' r // uGR
y R U' R' U y' R' U U R U' U' R' U R // RB
LL
U' U U' R U U R' U' R U' R' // CLL / YG / YR
U U R' U2 R2 U R' U' R' U2 3r U R U' 3r' // YB / YO

Stats

Step Time ETM ETPS STM STPS
Total 42.15 173 4.1 143 3.39
1st 5.28 19 3.6 16 3.03
2nd 7.44 26 3.49 19 2.55
3rd 5.4 24 4.44 19 3.52
4th 4.77 24 5.03 20 4.19
5th 12.43 54 4.34 45 3.62
6th 3.2 11 3.44 10 3.13
7th 3.63 15 4.13 14 3.86

Average

49.40 1
(42.15) 2
(52.46) 3
45.46 4
48.97 5
= 47.94

Tags

k4
Added: Feb 16, 2014
Reconstructed by: Brest