PASS: c at (1, 1)
PASS: 1-1-1 at (1, 51)
PASS: 1-1-2 at (51, 51)
PASS: 1-1-3 at (101, 51)
PASS: 1-2-1 at (1, 76)
PASS: 1-2-2 at (51, 76)
PASS: 1-2-3 at (101, 76)
PASS: 2-1-1 at (1, 101)
PASS: 2-1-2 at (51, 101)
PASS: 2-1-3 at (101, 101)

Testing horizontal-bt:
PASS: c at (1, 101)
PASS: 1-1-1 at (1, 51)
PASS: 1-1-2 at (51, 51)
PASS: 1-1-3 at (101, 51)
PASS: 1-2-1 at (1, 26)
PASS: 1-2-2 at (51, 26)
PASS: 1-2-3 at (101, 26)
PASS: 2-1-1 at (1, 1)
PASS: 2-1-2 at (51, 1)
PASS: 2-1-3 at (101, 1)

Testing vertical-lr:
PASS: c at (1, 1)
PASS: 1-1-1 at (51, 1)
PASS: 1-1-2 at (51, 26)
PASS: 1-1-3 at (51, 51)
PASS: 1-2-1 at (101, 1)
PASS: 1-2-2 at (101, 26)
PASS: 1-2-3 at (101, 51)
PASS: 2-1-1 at (151, 1)
PASS: 2-1-2 at (151, 26)
PASS: 2-1-3 at (151, 51)

Testing vertical-rl:
PASS: c at (151, 1)
PASS: 1-1-1 at (101, 1)
PASS: 1-1-2 at (101, 26)
PASS: 1-1-3 at (101, 51)
PASS: 1-2-1 at (51, 1)
PASS: 1-2-2 at (51, 26)
PASS: 1-2-3 at (51, 51)
PASS: 2-1-1 at (1, 1)
PASS: 2-1-2 at (1, 26)
PASS: 2-1-3 at (1, 51)