C111112111133131121133133313331333131333132331121111331322312331   >>    C11111211113313112113313331333133313133313233112111133132231233   <<    C111112111133131121133133313331333131333132331121111331322312333   >>      C111112111133131121133133313331333131333132331121111331322312332   >>