C111113331333132322331333133313331333132322333121111331322133313232331   >>    C11111333133313232233133313331333133313232233312111133132213331323233   <<    C111113331333132322331333133313331333132322333121111331322133313232333   >>      C111113331333132322331333133313331333132322333121111331322133313232332   >>