C111113331333132322331333133313331333133313121111331331121111121111133311211331   >>    C11111333133313232233133313331333133313331312111133133112111112111113331121133   <<    C111113331333132322331333133313331333133313121111331331121111121111133311211333   >>      C111113331333132322331333133313331333133313121111331331121111121111133311211332   >>