C111112111133131121133133313331333133313121111331322121111121111331323211231221   >>    C11111211113313112113313331333133313331312111133132212111112111133132321123122   <<    C111112111133131121133133313331333133313121111331322121111121111331323211231223   >>      C111112111133131121133133313331333133313121111331322121111121111331323211231222   >>