Scoring

Limit and Special hands – Serpents

The following hands are based on runs of the same suit, and many of them are irregular: These hands are typical to Western, especially American and French, versions of Mah Jong.

Limit or Special Hand	Description	Options
Squirming Snake (Ch. pan yuan she)	All one suit: Pung of 1's and 9's, pair of 2's, 5's or 8's, and two Chows from the remaining numbers. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) CC, D Yes Double if concealed (Y/N)
Great Snake (a.k.a. Dragon's Tail)	Sequential Chows from 1 to 9 of the same suit, Pung/Kong of Dragons and a pair of Winds, or Pung/Kong of Winds and a pair of Dragons. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) AM Yes Double if concealed (Y/N) AM Yes
Run, Pung and a Pair	Sequential Chows from 1 to 9 and any Pung and a pair of the same suit. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) Double if concealed (Y/N)
Emerald Snake	Sequential Chows from 1 to 9 of the Bamboo suit, Pung or Kong of Green Dragons, and a pair of Honors. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Pair must be of own Wind (Y/N) Allow melded (Y/N) F Yes Double if concealed (Y/N)
Ruby Snake	Sequential Chows from 1 to 9 of the Character suit, Pung or Kong of Red Dragons, and a pair of Honors. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Pair must be of own Wind (Y/N) D Yes Allow melded (Y/N) F, D Yes Double if concealed (Y/N) D Yes
Diamond Snake	Sequential Chows from 1 to 9 of the Dots suit, Pung or Kong of White Dragons, and a pair of Honors. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Pair must be of own Wind (Y/N) Allow melded (Y/N) F Yes Double if concealed (Y/N)
Little Snake	Tiles from 1 to 9 of the same suit, one of each Wind, and any Honor tile. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	The pairing tile must be wind (Y/N) AM Yes Allow melded (Y/N) F Yes Double if concealed (Y/N)
Little Snake with Dragons	Tiles from 1 to 9 of the same suit, one of each Dragon, and a pair of Winds. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) Double if concealed (Y/N)
Wriggling Snake (News)	Tiles from 1 to 9 of the same suit, one of each Wind (in American games, often arranged as N, E, W, S), and any tile composing a pair with one of these tiles. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	The pairing tile must be 1 (Y/N) Allow melded (Y/N) Double if concealed (Y/N)
Five Odd Honors	Tiles from 1 to 9 of the same suit and five different Honor tiles. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) Double if concealed (Y/N)
Great Brothers	Tiles from 1 to 9 of the same suit, Pung or Kong of Dragons or Winds, and a pair of own Wind. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) F Yes Double if concealed (Y/N)
Peking Garden	Tiles from 1 to 7 of the same suit, one of each Dragon and Wind. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) F, AU Yes Double if concealed (Y/N)
Cheater’s hand	Tiles from 1 to 7 of the same suit, one of each Wind and Pung of Dragons. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Allow melded (Y/N) F Yes Double if concealed (Y/N)
Seven Lanterns (a.k.a. Seven Lanterns of Palace)	Pung of Dragons, Pung of player's own Wind, a series of tiles from 1 to 7 of any one suit, and any tile forming a pair with one of the tiles in the suit series. The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked.	Require Red Dragons (Y/N) AU Yes Allow melded (Y/N) F, AU Yes Double if concealed (Y/N) AU Yes
Knitted Dragon	1, 4, 7 of one suit, 2, 5, 8 of another and 3, 6, 9 of the third suit, plus any regular set and a pair (note though that Knitted Dragon can also be part of irregular hands like Independent (Knitted)) . The hand must be concealed (the winning tile can be a discard), unless Allow melded option is checked. Note: This hand is the only irregular hand that is handled as if it were a regular hand, i.e., a player can receive additional points for the remaining sets and for patterns like Chow hand and All suits, Dragons and Winds. (Note however that completing the hand with any of the tiles belonging to the knitted Chows does not give extra points for a special way of going out, e.g., Out on a one-chance Chow, etc.) The hand can also be combined with Independent (Knitted) unless the hand is modified with an option that by definition already requires the presence of Knitted Dragon.	Allow melded (Y/N) CO Yes Double if concealed (Y/N)
Knitted Dragon with Winds a.k.a. Serpentine of four Winds	1, 4, 7 of one suit, 2, 5, 8 of another and 3, 6, 9 of the third suit, one of each of the four Winds, plus any fifth honor tile.	–
Knitted Dragon Royal a.k.a. Royal Serpentine	1, 4, 7 of one suit, 2, 5, 8 of another and 3, 6, 9 of the third suit, one of each of the three Dragons, plus a pair of player's own Wind.	–

Procedures:
Printing scoring items
Renaming scoring items
Resetting the names of scoring items
Inclusion and scoring of hands and patterns