1 Usage: puzzle [--configs] initial...
3 --configs: search and time solutions with various configurations of solvers.
4 initial: an initial configuration (letters for the tiles, and dot for the hole). eg:
10 medium (10): eabf.cdgh
12 harder (31): hfgbedc.a
15 goal (0): abcdefghijklmno.
16 easy (30): bacdefghijlkmno.
17 medium (40): fg.jacoheldnibmk
18 hard (55): kleg.mondcafjhbi
19 harder (61): lomgkcend.afjhbi
22 goal (0): abcdefghijklmnopqrstuvwx.
23 easy (55): giabcjekmdhrtflqsownpuv.x
24 medium (75): giabcjekmdrtwulhs.vnqofpx
25 hard (79): giabcjekmdrtw.uhsvnlqofpx
26 harder (80): giabcjekmdrt.wuhsvnlqofpx