## About
This genre was designed by page.author in early 2021. It shares many ideas with [Shirokuro Pipe].

## page.author's original Hamiltonian Plumbers
These puzzles were manually curated following algorithmic generation.

W=6x6&L=x19&LEX=s1s6g4g5b1b4&SS=1RDRUULUUUU45UUULDDLLUURURUULDLDLUURU11LUUU
W=6x6&LEX=s3s8s8&L-AD=p13&L-AR=p13&L-AU=p13&SS=24RRURULURUULDLDLLLURRU31LDLLLUURULLDDDLUUUL
W=6x6&LEX=s9g4g4&L-AD=p21p7&L-AL=p21p7&L-AR=p28&L-AU=p21p7&SS=21DLDDDDDRRRRRUUUULURU13DLURURDDDLLLUUURURU
W=6x6&L=x3&LEX=s7g5s2g3&L-AD=p22&L-AL=p22&L-AR=p22&L-AU=p22&SS=30ULULDLUURURDRDRUULULULDLUU8URUUUULLURRU
W=6x6&LEX=s1b1g1s4g10b2&L-AD=p13p15&L-AL=p13p15&L-AR=p13p15&L-AU=p13p15&SS=1RDRURDRRRUR2RURRRRDRDLDLLURULLDLL50DDLULLLLU
W=6x6&LEX=b1b9s6s6s1&L-AD=p9p4&L-AL=p13&L-AR=p9p4&L-AU=p9p4&SS=18RRRRDDDD4UULDLUL19DDLULURR17LLLLLDDLUUURRRRRR
W=6x6&LEX=s6b4b2s6&L-AD=p8p8&L-AL=p8p8&L-AR=p8p8&L-AU=p8p8&SS=22ULUULDDD12DDLULULUURDRDR20LUUUUULLLDRRDDDDLD
W=6x6&L=x21&LEX=g2s5b4b4g3s3&SS=29DRDLDDRRUURULU25LLLLLLUUL3LDDLLLLUULURULU
W=6x6&LEX=s1s10b4b4&L-AD=p27&L-AL=p27&L-AR=p27&L-AU=p27&SS=1RDRUULUUURDDRURULU54LDLULDLUURURDRULURULU
W=6x6&L=x19&LEX=s7g3s12g1&L-AD=p14&L-AL=p14&L-AR=p14&L-AU=p14&SS=13DDDDDDRURULUUURRRRR9URRRULURULLDLUURRRR
W=6x6&LEX=s6s3g11&L-AD=p7p13p3&L-AL=p7p16&L-AR=p7p13p3&L-AU=p20&SS=16RRURDRDLLLLULDD17ULDLLURULURU23LULURULLLDRU
W=8x8&L=x14x7x22&LEX=b1s5s1b7g4g11&L-AD=p10p39&L-AL=p10p39&L-AR=p10p39&L-AU=p10p39&SS=1RDRRRD5RDRDLDDRDRULURURURDRURURULLDLULDLULLL52ULULUURDRDRDRULURULURUR
W=8x8&L=x10x14x17&LEX=s0b9g2b5g10s3&L-AD=p36p17&L-AL=p36p17&L-AR=p36p17&L-AU=p36p17&SS=48URRRULUULDLDLULURRULLULLDRDLDDRRDLLL42LUULULDLULULLLUU3LLURULLDLULLLU
((authored))

## Known issues
For self-reference:
	- ~~scope fruit shapes on particular fruit in multi-fruit tracks~~
	- ~~add checkerboard pattern~~
	- ~~realign display so the board isn't cut~~
	- ~~clarify rules~~


## Changes

**2023-08-10** Thanks @kuchiwo for finding a couple bugs, now fixed, during his third livestream.
**2023-12-19** Thanks @PinkHoodie for suggesting lins be coloured according to the matched symbols (changed).
**2024-05-14** Style tweaks and encoding upgrade (no puzzles will be affected). Thanks to @PinkHoodie for noticing the missing valves, and that a rule needed to be corrected.