A B C D E F G H I J K L M N O P +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | o | o | o | o | o | o | o | o | o | | 1 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o |OO |OO |OO |OO | o | o | o | | | | 2 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o |OO |OO |OO |OO | o | o | o | | | | 3 +---+---+---+---+---+---+---+---+---+---+---+---+ | | o | o |OO |OO |OO | o | o | | | | o | 4 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | o | o |OO |OO | o | o | | | o | o | 5 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | | | o | o | o | o | | | o | o |OO | 6 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | o | o | o | | | o |OO |OO | 7 +---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | | o | o | o | o | o | o | o |OO | 8 +---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o | o | o |OO |OO | o | | o | o | 9 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | o | | o |OO | o | o | | | | | | | | 10 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | o | | o | o | o | | | | | | | | | 11 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o |Arg| | |Tho|Min| | | o | | | | | 12 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | | | o | o | | | | o | o | 13 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | | o | | | o | o | o |OO | 14 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | |Otr| | | |Nav| o | o | o |OO |OO | 15 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | | | | | |Yaz| o | o |OO |OO | 16 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | | | | | | | | o | o |OO | 17 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | | | |Lot| | | o | o | 18 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | o | | | o | o | o | | | | | | | | 19 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o | | o | o |OO | o | o | | | | | | | 20 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | _|___|_ |OO |OO |OO | _|___|_ | | | | | 21 +---+---+---+-/ \-+---+---+---+-/ \-+---+---+---+---+
/ \ = dørO = Steiner (difficult terrain)
A B C D E F G H I J K L M N O P +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | o | o | o | o | o | o | o | o | o | | 1 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o |OO |OO |OO |OO | o | o | o | | | | 2 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o |OO |OO |OO |OO | o | o | o | | | | 3 +---+---+---+---+---+---+---+---+---+---+---+---+ | | o | o |OO |OO |OO | o | o | | | | o | 4 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | o | o |OO |OO | o | o | | | o | o | 5 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | | | o | o | o | o | | | o | o |OO | 6 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | o | o | o | | | o |OO |OO | 7 +---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | | o | o | o | o | o | o | o |OO | 8 +---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o | o | o |OO |OO | o | | o | o | 9 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | o | | o |OO | o | o | | | |Gru| | | | 10 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | o | | o | o | o | | | | |Gru|Gru| | | 11 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o |Arg| | | | | | | o |Gru|Gru| | | 12 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | | | o | o | | | | o | o | 13 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | | o | | | o | o | o |OO | 14 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | | | | | |Nav| o | o | o |OO |OO | 15 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | |Yaz| | | | | o | o |OO |OO | 16 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | | | | | | | | o | o |OO | 17 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | | | |Lot| | | o | o | 18 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | o | | | o | o | o | | | | | | |Gru| 19 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o |Tho| o | o |OO | o | o | | | | |Gru| | 20 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | _|___|_ |OO |OO |OO | _|___|_ | |Otr|Gru| | 21 +---+---+---+-/ \-+---+---+---+-/ \-+---+---+---+---+
/ \ = dørO = Steiner (difficult terrain)
A B C D E F G H I J K L M +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | o | o | o | o | o | o | o | o | o | | 1 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o |OO |OO |OO |OO | o | o | o | | | | 2 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o |OO |OO |OO |OO | o | o | o | | | | 3 +---+---+---+---+---+---+---+---+---+---+---+---+ | | o | o |OO |OO |OO | o | o | | | | o | 4 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | o | o |OO |OO | o | o | | | o | o | 5 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | | | o | o | o | o | | | o | o |OO | 6 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | o | o | o | | | o |OO |OO | 7 +---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | | o | o | o | o | o | o | o |OO | 8 +---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o | o | o |OO |OO | o | | o | o | 9 N O P +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | o | | o |OO | o | o | | | |Gru| | | | 10 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | o | | o | o | o | | | |Tho|Gru|Gru|Vak| | 11 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o |Arg| | | | | | | o |Gru|Gru| | | 12 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | | | o | o | | | | o | o | 13 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | | o | | | o | o | o |OO | 14 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | | | | | |Nav| o | o | o |OO |OO | 15 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | |Yaz| | | | | o | o |OO |OO | 16 +---+---+---+---+---+---+---+---+---+---+---+---+ | | | | | | | |Otr| | o | o |OO | 17 +---+---+---+---+---+---+---+---+---+---+---+---+ | o | o | | | | | |Lot| | | o | o | 18 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO | o | o | o | | | o | o | o | | | | | | |Gru| 19 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO | o | o | | o | o |OO | o | o | | | | |Gru|Vak| 20 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |OO |OO |OO | _|___|_ |OO |OO |OO | _|___|_ | | |Gru|Vak| 21 +---+---+---+-/ \-+---+---+---+-/ \-+---+---+---+---+
/ \ = dørO = Steiner (difficult terrain)