C1111121111331311211331333133313231333132211312111133131133133313132211   >>    C111112111133131121133133313331323133313221131211113313113313331313221   <<    C1111121111331311211331333133313231333132211312111133131133133313132213   >>      C1111121111331311211331333133313231333132211312111133131133133313132212   >>