C312322331333132212111133133313331333133312121111331333132112323233311   >>    C31232233133313221211113313331333133313331212111133133313211232323331   <<    C312322331333132212111133133313331333133312121111331333132112323233313   >>      C312322331333132212111133133313331333133312121111331333132112323233312   >>