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### Mushroom

Mushroom cases:
 MS - 5:12
R' L' U2' R U R' U2 L U' R

In the images dark pieces are solved.

Blocks and split block cases :

Cabin chimney cases: (Wikipedia)
 CC o 1:18

Even Cases
 CC ++ 1:144
 CC -- 1:144
U (y2) transforms to 2nd case (R' L') U2' R U R' U2 L U' R {10,12}
(R2 U' R2 U') (R U R2 U) (R2' U' R' U R) {13,17}
 CC a-- 1:144
 CC a++ 1:144
L U' R U2 L' U L U2' (R' L') {10,12}
(R U R' F') (R U R' U') (R' F) (R2 U') (R' U') {14,15}
(R2' U R2' U) (R' U' R2' U') (R2 U R U') (R' U') {14,18}
U (y2) transforms to 1st case
(R L) U2 L' U' L U2' R' U L' {10,12}

Odd cases
 CC +- 1:144
 CC -+ 1:144
(R' L') U2 L U R U (y) L U' R U2 L' U2 R' U2' {15,19}
R2' F2 U' R2 U' R2' U2 F2' R2 F2 U' F2' U {13,22}
(y') F' U2 F U R' U2' R U F' R' U R U2 F U {15,18}
L U' R U2 L' U2 R' U2' (y') (R' L') U2 L U R U {15,19}
(y') F2 U F2' R2' F2 U2' R2 U R2' U F2' R2 U' {13,22}
(y2') F' U2' R' U' R F U' R' U2 R U' F' U2' F U' {15,18}
 CC a-+ 1:144
 CC a+- 1:144
(R L) U2' R' U' L' U' (y') R' U L' U2' R U2' L U2 {15,19}
(y') F2 R2' U F2' U F2 U2' R2 F2' R2' U R2 U' {13,22}
R U2' R' U' F U2 F' U' R F U' F' U2' R' U' {15,18}
R' U L' U2' R U2' L U2 (y) (L R) U2' R' U' L' U' {15,19}
R2' U' R2 F2 R2' U2 F2' U' F2 U' R2 F2' U {13,22}
(y) R U2 F U F' R' U F U2' F' U R U2 R' U {15,18}

Use your J-PLL for the first and second case. The other cases are also J-PLL like but having the second half of the alg mirrored from the original.

Symetric cases :

Chapel house cases: (Wikipedia)
 CP o 1:36

Even Cases
 CP ++ 1:144
 CP -- 1:144
(y') (L U' R) U2 L' U2 R' U (y') (R' U L') U2' R U2' L {15,19}
(y2') (F' L' U) (L U L' U') (L F) (L' U' L U) (L F' L' F) {17,17}
(y) (R' U L') U2' R U2' L U' (y) (L U' R) U2 L' U2 R' {15,19}
(y2) (F R U') (R' U' R U) (R' F') (R U R' U') (R' F R F') {17,17}

Odd cases
 CP +- 1:144
 CP -+ 1:144
(y') (R2' U2 R2 U2') (R2' U2' R2 U2') (R2' U2 R2) {11,22}
(y) (L2 U2 L2' U2') (L2 U2' L2' U2') (L2 U2 L2') {11,22}
(y') (R2' U2' R2 U2) (R2' U2 R2 U2) (R2' U2' R2) {11,22}
(y) (L2 U2' L2' U2) (L2 U2 L2' U2) (L2 U2' L2') {11,22}

The alg for the first two cases does Y-PLL on a 3x3x3 but the second is a Megaminx special (is shorter than it looks, 11 + AUF).

King's crown cases: (Wikipedia)
 KC o 1:36

Even Cases
 KC ++ 1:144
 KC -- 1:144
U (y2) transforms to 2nd case (y2') R2' F2 U2 R2 F' R2' F U' F' R2 F U R2' U2' F2' R2 {16,26}
(y) (R' U' R2' U') (R2' U' R' U') (R' U2 R2' U2') (R2' U2 R U) (R2 U R) {19,27}

Odd cases
 KC +- 1:144
 KC -+ 1:144
(y2) L2 U F2 U F2' U2' (R2' L2') F2 R2 U R2' F2' R2 {14,25}
(R' U2' bR' U') bR (R U' R') bR' (R U R' U) bR (U2 R) {16,18}
(y2') (R U2' R' U) (R U2 R U2) (R' U R' U') (R U' R U') (R' U' R') {19,22}
(y2) R2' F2 R2 U' R2' F2' (L2 R2) U2 F2 U' F2' U' L2' {14,25}
(R' U2') bR' (U' R U' R') bR (R U R') bR' (U bR U2 R) {16,18}
(y2') (R U R) (U R' U R') (U R U' R) (U2' R' U2' R') (U' R U2 R') {19,22}

Akward cases :

 JA o 1:18

Even Cases
 JA ++ 1:144
 JA -- 1:144
(y2') (R' U2 R) (y') (R U R' U') bR' U (R U' R' U2') bR {14,16}
(y2') (R' U2 R U2') (R U2' R' U2') (R U' R' U) (R' U2 R U2) {16,22}
(y2) bR' (U2 R U R') U' bR (U R U' R') (y) (R' U2' R) {14,16}
(y) (R' U2' R) (U' R U R') (U2 R U2 R') (U2 R' U2' R) U2' {16,22}
 JA a-- 1:144
 JA a++ 1:144
(R U2' R' bR') U' (bR U R U') bR' (U bR U2 R') {14,16}
(R U2' R' U2) (R' U2 R U2) (R' U R U') (R U2' R' U2') {16,22}
(L U2) (L2' bL) (L bL' L U2') y' (R' F' R) (U R U' R') (OLL combo) {15,18}
(R U2' bR' U') bR (U R' U' bR') U (bR R U2 R') {14,16}
(y2) (R U2 R') (U R' U' R) (U2' R' U2' R) (U2' R U2 R') U2 {16,22}

Odd cases
 JA +- 1:144
 JA -+ 1:144
(y) L U' R U2 L' U2 R' U2 (y') (R' L') U2 L U R U2 {15,20}
(R2 F2 R F2') (R U L' U2') (R U' R2' U2) (R2 L) {14,21}
(y') (R' U' R2' U) (R U R' U') (R U R U') (R2 U' R' U) R' {17,19}
(R' L') U2 L U R U2 (y) L U' R U2 L' U2 R' U2 {15,20}
(L' R2') (U2' R2 U R') (U2 L U' R') (F2 R' F2' R2') {14,21}
(y') R (U' R U R2') (U R' U' R') (U R U' R') (U' R2 U R) {17,19}
 JA a-+ 1:144
 JA a+- 1:144
(y') R' U L' U2' R U2' L U2' (y) (R L) U2' R' U' L' U2' {15,20}
(y') (R U R2 U') (R' U' R U) (R' U' R' U) R2' (U R U' R) {17,19}
(R L) U2' R' U' L' U2' (y') R' U L' U2' R U2' L U2' {15,20}
(y') (R' U R' U') R2 (U' R U R) (U' R' U R) (U R2' U' R') {17,19}
Ya, it looks like an akward airplane, propeller and all but weird, one that does moves like L S D...

Flagman cases: (A.K.A. the Semaphorist), (Wikipedia)
 FM o- 1:18

Even Cases
 FM ++ 1:144
 FM -- 1:144
(R' U' R' U2' R) F' (R U R' U' R') F (U2 R U R) {16,18}
(R U2 R' U') (R2 U R' U) (R U2' R' U) (R' U R U2) (R' U) {18,22}
(R' U' R' U2') F' (R U R U' R') F (R' U2 R U R) {16,18}
(y') R (U2' R' U' R) (U' R U2 R') (U' R U' R2') (U R U2' R') U' {18,22}
 FM a-- 1:144
 FM a++ 1:144
(R' U2 R U R2') (F' R U2 R F) U2 (F' U R' F R) U2' {17,22}
(y2') (R' U2' R U) (R2' U' R U') (R' U2 R U') (R U' R' U2') (R U') {18,22}
(y2) (R' F' R U' F) U2' (F' R' U2' R' F) (R2 U' R' U2' R) U2 {17,22}
(y') (R' U2 R U) (R' U R' U2') (R U R' U) (R2 U' R' U2) (R U) {18,22}

Odd cases
 FM +- 1:144
 FM -+ 1:144
(y2) (R' U2' R U) (L U2' R' U') R U2 (R' L') U2 R {14,18}
R2' D' R2 U2 (y') R2' U R2 U R2' U2' R2 U2' (y) R2' D R2 U {16,27}
(y2') (R U2 R' U2) (R U2 R U2) (R' U R' U') R2 U2' (R' U' R') {17,23}
(y2) R' U2' (L R) U2' R' (U R U2 L') (U' R' U2 R) {14,18}
(y') R2' D' R2 U2 (y') R2' U2 R2 U' R2' U' R2 U2' (y) R2' D R2 U' {16,27}
(y2') (R U R) U2 R2' (U R U' R) (U2' R' U2' R') (U2' R U2' R') {17,23}
 FM a-+ 1:144
 FM a+- 1:144
(y) (R U2 R') bR' (U R U R') U' bR (U' R U2' R') {14,16}
(y2') (L U2 L' U' R') (U2 L U L') U2' (L R) U2' L' {14,18}
R' (U2' R U2' R') (U2' R' U2' R) (U' R U R2') (U2 R U R) {17,23}
(y) (R U2 R' U) bR' U (R U' R' U') bR (R U2' R') {14,16}
(y2') L U2 (R' L') U2 (L U' L' U2') (R U L U2' L') {14,18}
(R' U' R' U2') (R2 U' R' U) (R' U2 R U2) (R U2 R' U2) R {17,23}

Ocra cases: (A.K.A. Moby Dick), (Wikipedia)
 OC o 1:18

Even Cases
 OC ++ 1:144
 OC -- 1:144
U (y2) transforms to OC -- (y') (R U2 R2' U') (R U) (R U2' R' U') (R' U R) {13,16}
(y) (L U2 L2' U') (L U) (L U2' L' U') (L' U L) {13,16}
 OC a-- 1:144
 OC a++ 1:144
U' (y2') transforms to OC a++ (y') (R' U2' R2 U) (R' U') (R' U2 R U) (R U' R') {13,16}
(y) (L' U2' L2 U) (L' U') (L' U2 L U) (L U' L') {13,16}

Odd cases
 OC +- 1:144
 OC -+ 1:144
(y2) R' F' L F R F' (L2' U' L U' L' U2 L) F {14,16} (y2) F' (L' U2' L U L' U L2) F R' F' L' F R {14,16}
 OC a-+ 1:144
 OC a+- 1:144
(y2') L F R' F' L' F (R2 U R' U R U2' R') F' {14,16} (y2') F (R U2 R' U' R U' R2') F' L F R F' L' {14,16}
This case is a combination of a 3CLL and an OLL.
Example: OC a-+ = L F R' F' L' F (R [F' - F] R U R' U R U2' R') F'

Page checked & updated 14/aug/2011.