C1111121111331311211331333133313331333133313221211113313331313131   >>    C111112111133131121133133313331333133313331322121111331333131313   <<    C1111121111331311211331333133313331333133313221211113313331313133   >>      C1111121111331311211331333133313331333133313221211113313331313132   >>