C1111133313331323223313331333133313113313231333132212111113231323223311   >>    C111113331333132322331333133313331311331323133313221211111323132322331   <<    C1111133313331323223313331333133313113313231333132212111113231323223313   >>      C1111133313331323223313331333133313113313231333132212111113231323223312   >>