C32133223331333131133132212111133133313331333131211211232213112131   >>    C3213322333133313113313221211113313331333133313121121123221311213   <<    C32133223331333131133132212111133133313331333131211211232213112133   >>      C32133223331333131133132212111133133313331333131211211232213112132   >>