t1a: id: 1 node_id: 3 sequence_id: 1 version: 1 t2: id: 2 node_id: 3 sequence_id: 1 version: 1 t3: id: 3 node_id: 3 sequence_id: 1 version: 1 w4_v1_n1: id: 4 node_id: 3 sequence_id: 1 version: 1 w4_v1_n2: id: 4 node_id: 4 sequence_id: 2 version: 1 w4_v2_n1: id: 4 node_id: 15 sequence_id: 1 version: 2 w4_v2_n2: id: 4 node_id: 3 sequence_id: 2 version: 2 w4_v2_n3: id: 4 node_id: 4 sequence_id: 3 version: 2 w4_v3_n1: id: 4 node_id: 15 sequence_id: 1 version: 3 w4_v3_n2: id: 4 node_id: 3 sequence_id: 2 version: 3 w4_v4_n1: id: 4 node_id: 15 sequence_id: 1 version: 4 w5_n1: id: 5 node_id: 4 sequence_id: 1 version: 1 w5_n2: id: 5 node_id: 4 sequence_id: 2 version: 1