C1111121111331311211331333133313331333131211113313221211113313221131   >>    C111112111133131121133133313331333133313121111331322121111331322113   <<    C1111121111331311211331333133313331333131211113313221211113313221133   >>      C1111121111331311211331333133313331333131211113313221211113313221132   >>