C1111121111331311211331333133313231333132212111113331333132211312232131211   >>    C111112111133131121133133313331323133313221211111333133313221131223213121   <<    C1111121111331311211331333133313231333132212111113331333132211312232131213   >>      C1111121111331311211331333133313231333132212111113331333132211312232131212   >>