C1111121111331311211331333133313331333133313232212111133132313331333131312131   >>    C111112111133131121133133313331333133313331323221211113313231333133313131213   <<    C1111121111331311211331333133313331333133313232212111133132313331333131312133   >>      C1111121111331311211331333133313331333133313232212111133132313331333131312132   >>