C1111121111331311211331333133313121111331322133313231333131133132323321311   >>    C111112111133131121133133313331312111133132213331323133313113313232332131   <<    C1111121111331311211331333133313121111331322133313231333131133132323321313   >>      C1111121111331311211331333133313121111331322133313231333131133132323321312   >>