digraph Taskflow { rankdir="LR"; subgraph cluster_p0x7ffee9781810 { label="Taskflow"; p0x7f9866c01820[label="A" ]; p0x7f9866c01820 -> p0x7f9866c01b70; p0x7f9866c01820 -> p0x7f9866c01930; p0x7f9866c01930[label="C" ]; p0x7f9866c01930 -> p0x7f9866c01a40; p0x7f9866c01a40[label="D" ]; p0x7f9866c01b70[label="B" ]; p0x7f9866c01b70 -> p0x7f9866c01a40; subgraph cluster_p0x7f9866c01b70 { label="Subflow: B"; color=blue p0x7f9866d01880[label="B1" ]; p0x7f9866d01880 -> p0x7f9866d01ac0; p0x7f9866d019a0[label="B2" ]; p0x7f9866d019a0 -> p0x7f9866d01ac0; p0x7f9866d01ac0[label="B3" ]; p0x7f9866d01ac0 -> p0x7f9866c01b70; } } }