C32133223331333131133132212111133133313331323223332322231212331   >>    C3213322333133313113313221211113313331333132322333232223121233   <<    C32133223331333131133132212111133133313331323223332322231212333   >>      C32133223331333131133132212111133133313331323223332322231212332   >>