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Pentru prima casuta, cele patru posibilitati sunt: $(1, 1) -> (3, 1) -> (4, 1); (1, 1) -> (2, 1) -> (4, 1); (1, 1) -> (2, 1) -> (3, 1) -> (4, 1)$.

Pentru prima casuta, cele trei posibilitati sunt: $(1, 1) -> (3, 1) -> (4, 1); (1, 1) -> (2, 1) -> (4, 1); (1, 1) -> (2, 1) -> (3, 1) -> (4, 1)$.

Pentru casuta a doua: $(1, 1) -> (3, 1) -> (4, 2); (1, 1) -> (2, 1) -> (3, 1) -> (4, 2)$.
Pentru a treia casuta: $(1, 1) -> (2, 1) -> (4, 3); (1, 1) -> (3, 3) -> (4, 3)$.
Pentru casuta a patra: $(1, 1) -> (3, 3) -> (4, 4)$.