C111113331333132322331333133313331333132322333121111331322133313121121   >>    C11111333133313232233133313331333133313232233312111133132213331312112   <<    C111113331333132322331333133313331333132322333121111331322133313121123   >>      C111113331333132322331333133313331333132322333121111331322133313121122   >>