── BBB ───┬── CCC ──┬── AAA ────────────
PANE00 abc│cdefghij │BASE01 abcdefghij
defghij   │PANE03 ab│BASE02 abcdefghij
PANE01 abc│cdefghij │BASE03 abcdefghij
defghij   │PANE04 ab│BASE04 abcdefghij
PANE02 abc│cdefghij │BASE05 abcdefghij
defghij   │         │BASE06 abcdefghij
PANE03 abc│         │BASE07 abcdefghij
defghij   │         │BASE08 abcdefghij
PANE04 abc│         │BASE09 abcdefghij
defghij   │         │BASE10 abcdefghij
          │         │BASE11 abcdefghij
          │         │BASE12 abcdefghij
          │         │