Small cleanups.

[rrsolve] / NOTES

diff --git a/NOTES b/NOTES
new file mode 100644 (file)
index 0000000..9201de7
--- /dev/null
+++ b/NOTES
@@ -0,0 +1,201 @@
+Here are some random notes I'm keeping on a new approach for solving
+backwards.
+
+ === === === === 
+|R..|... ... ...|
+     === ===     
+|y.. ... ... ...|
+     ===     === 
+|... .RS|...|g..|
+                 
+|... ... ...|b..|
+             === 
+|... ... ... ...|
+ === === === === 
+
+ === === === === 
+|A..|.B. .b. .B.|
+     === ===     
+|aB. .b. .b. .B.|
+     ===     === 
+|a.C ..C|...|...|
+                 
+|a.. ... ...|...|
+             === 
+|A.C a.C a.. A.C|
+ === === === === 
+
+ === === === === 
+|R0.|... ... ...|
+     === ===     
+|r1. ... ... ...|
+     ===     === 
+|r1. ...|...|...|
+                 
+|r1. ... ...|...|
+             === 
+|R1. r2. r2. R2.|
+ === === === === 
+
+ === === === === 
+|...|... ... ...|
+     === ===     
+|F.. ... 4F. ...|
+     ===     === 
+|1.. 0..|4F.|...|
+                 
+|2F. 1.. 4F.|...|
+             === 
+|2F. 1.. 3F. 3F.|
+ === === === === 
+
+ === === === === 
+|...|... ... ...|
+     === ===     
+|... ... ... ...|
+     ===     === 
+|1.. 0..|...|...|
+                 
+|... 1.. ...|...|
+             === 
+|... 1.. ... ...|
+ === === === === 
+
+ === === === === 
+|...|... ... ...|
+     === ===     
+|... ... 3A. ...|
+     ===     === 
+|1.. 0..|3A.|...|
+                 
+|... 1.. 3A.|...|
+             === 
+|A.. 1.. 2A.2A..|
+ === === === === 
+
+ === === === === 
+|3B.|6B. 6B. 5B.|
+     === ===     
+|3B. 4B. 4B. 4B.|
+     ===     === 
+|1.. 0..|5B.|...|
+                 
+|3B. 1.. 5B.|...|
+             === 
+|2B. 1.. B?? 6B?|
+ === === === === 
+
+ === === === === 
+|...|... ... ...|
+     === ===     
+|... ... ... ...|
+     ===     === 
+|1.. 0..|...|...|
+                 
+|C.. 1.. 2C....|
+             === 
+|... 1.. ... ...|
+ === === === === 
+
+ === === === === 
+|...|... ... ...|
+     === ===     
+|... ... ... ...|
+     ===     === 
+|1.. 0..|...|...|
+                 
+|2D. 1.. D..|...|
+             === 
+|... 1.. ... ...|
+ === === === === 
+
+ === === === === 
+|2E.|5E. 5E. 4E.|
+     === ===     
+|2E. 3E. 3E. 3E.|
+     ===     === 
+|1.. 0..|4E.|...|
+                 
+|E.. 1.. 4E.|...|
+             === 
+|5E. 1.. 4E. 5E.|
+ === === === === 
+
+ === === === === 
+|...|... ... ...|
+     === ===     
+|F.. ... 4F. ...|
+     ===     === 
+|1.. 0..|4F.|...|
+                 
+|2F. 1.. 4F.|...|
+             === 
+|2F. 1.. 3F. 3F.|
+ === === === === 
+
+
+ === === === === === === === === === === === === === === === ===
+|2+* 2+* 2+* 2+* 1+*|7.* 5.* 5.* 5.* 8.* 8.* 7.*|6.* 6.* 4.* 5.*|
+                                                     ===
+|3.* 3.* 3.* 3.* 1.. 4.* 4.*|5.* 5.* 6.* 6.* 6.* 6.*|6.* 4.* 5.*|
+     ===                 ===
+|3.*|9.* 3.* 3.* 1.. 7.* 4.* 5.* 5.* 9.*|6.* 6.* 6.* 6.* 4.* 5.*|
+                                     ===
+|3.* 4.* 3.* 3.* 1.. 4.* 4.* 4.* 4.* 4.* 4.* 4.* 4.* 4.* 4.* 4.*|
+                                                             ===
+|3.* 3.* 3.* 3.* 1.. 3.* 3.* 3.* 3.* 3.* 3.* 3.* 3.* 3.* 3.* 2.*|
+                         ===
+|3.* 3.* 3.* 3.* 1.. 3.* 2.*|5.* 5.* 5.* 6.* 6.* 6.* 6.*|3.* 2.*|
+ ===                                         ===         ===
+|4.* 4.* 3.*|3.* 1.. 4.* 2.* 4.* 4.* 4.* 4.* 4.*|3.* 3.* 3.* 2.*|
+             ===             === ===
+|3.* 3.* 3.* 3.* 1.. 3.* 2.*|... ...|3.* 3.* 3.* 3.* 3.* 3.* 2.*|
+
+|3.* 3.* 3.* 3.* 1.. 3.* 2.*|... ...|5.* 5.* 5.* 5.* 5.* 4.*|2.*|
+                             === ===                     ===
+|5.* 5.* 3.* 4.*|0+. 1.. 1+. 1+* 1.* 1.* 1.* 1.* 1.* 1.* 1.* 1.*|
+                 ===     ===     ===                         ===
+|5.* 6.* 3.* 4.* 6.* 6.*|7.* 2.* 7.*|5.* 6.* 5.* 6.*|7.* 2.* 8.*|
+ ===                                                 ===
+|9.* 9.* 3.* 4.* 7.* 7.* 7.* 2.* 7.* 5.* 9.* 5.* 7.* 9.* 2.* 9.*|
+                             ===
+|8.* 8.* 3.* 4.* 7.* 7.* 7.* 7.*|7.* 5.* 8.* 5.* 7.* 8.* 2.* 8.*|
+     ===                                 ===
+|9.* 9.*|3.* 4.* 4.* 4.* 4.* 7.* 4.* 4.*|7.* 5.* 7.* 8.* 2.* 8.*|
+
+|5.* 5.* 3.* 4.*|7.* 7.* 7.* 7.* 7.* 5.* 7.* 5.* 7.* 8.* 2.* 8.*|
+             ===
+|8.* 8.* 3.* 8.* 7.*|6.* 6.* 6.* 6.* 5.* 6.* 5.*|7.* 8.* 2.* 8.*|
+ === === === === === === === === === === === === === === === ===
+|... ... ... ... ...|... ... ... ... ... ... ...|... ... ... ...|
+                                                     ===
+|... ... ... ... ... r.. .yo|... ... ... ... ... ...|.rs ... ...|
+     ===                 ===
+|...|.gt ... ... ... ... ... ... g.. .bt|... ... ... ... ... ...|
+                                     ===
+|... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...|
+                                                             ===
+|... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...|
+                         ===
+|... ... ... ... ... ... .bs|... ... ... ... ... ... ...|.go ...|
+ ===                                         ===         ===
+|... ... ...|.rc ... ... ... ... ... ... ... .yc|... ... ... ...|
+             ===             === ===
+|... ... ... ... ... ... ...|... ...|... ... ... ... ... ... ...|
+
+|... ... ... ... ... ... ...|... ...|... ... ... ... ... Yys|...|
+                             === ===                     ===
+|... ... ... ...|.YT ... ... ... ... ... ... ... ... ... ... ...|
+                 ===     ===     ===                         ===
+|... ... ... ... ... ...|.bc ... .rt|... ... ... ...|.gc ... ...|
+ ===                                                 ===
+|... b.. ... ... ... ... ... ... ... ... ... ... ... ... ... ...|
+                             ===
+|... ... ... ... ... ... ... .ww|... ... ... ... ... ... ... ...|
+     ===                                 ===
+|... .ro|... ... ... ... ... ... ... ...|.bo ... ... ... ... ...|
+
+|... ... ... .gs|... ... ... ... ... ... ... ... ... ... ... ...|
+             ===
+|... ... ... ... ...|... ... ... ... ... ... ...|... ... ... ...|
+ === === === === === === === === === === === === === === === ===