No coach exists
No train exists
No train-set exists
No engine exists
T2-Phi
T2-Rho
T2-Omega
diesel engine T2-Phi added to train 1
steam engine T2-Rho added to train 1
electrical engine T2-Omega added to train 1
1
2
3
passenger coach W1 added to train 1
freight coach W2 added to train 1
special coach W3 added to train 1
                                                           ___                                                                   
                                                             \                                                               ____
  _____________|____        ++      +------   _______________/__    ____________________                      /--------------|  |
 /_| ____________ |_\       ||      |+-+ |   /_| ____________ |_\   |  ___ ___ ___ ___ | |                  | \--------------|  |
/   |____________|   \    /---------|| | |  /   |____________|   \  |  |_| |_| |_| |_| | |                  |   | |          |  |
\                    /   + ========  +-+ |  \                    /  |__________________| |                  |  _|_|__________|  |
 \__________________/   _|--/~\------/~\-+   \__________________/   |__________________| |__________________| |_________________|
  (O)(O)      (O)(O)   //// \_/      \_/      (O)(O)      (O)(O)       (O)        (O)       (O)        (O)       (O)       (O)   
Error, no such train
Error, could not place train
4
passenger coach W4 added to train 2
Error, could not place train
OK
OK
1
OK
Error, engine has to be positive length
T2-Gamma
diesel engine T2-Gamma added to train 2
OK
2
OK
Crash of train 2
Error, identifier already used
T2-Epsilon
Error, identifier already used
Error, identifier already used
Error, identifier already used
T2-Lambda
train-set T2-Lambda added to train 3
Error, new train identifier must be next free identifier
1 T2-Phi T2-Rho T2-Omega W1 W2 W3
2 T2-Gamma
3 T2-Lambda
4
5
OK
4
OK
1 1 p 1 true true
2 1 f 1 true true
3 1 s 1 true true
4 none p 1 true true
none T2 Epsilon 1 false false
3 T2 Lambda 1 true true
2 d T2 Gamma 1 true true
1 e T2 Omega 2 true true
1 d T2 Phi 1 true true
1 s T2 Rho 3 true true
OK
electrical engine T2-Omega added to train 1
passenger coach W1 added to train 4
diesel engine T2-Phi added to train 5
freight coach W2 added to train 6
OK
OK
OK
steam engine T2-Rho added to train 2
2
OK
OK
Crash of train 1
Crash of train 5
OK
OK
1
2
3
OK
OK
OK
Crash of train 1,2,5