C1111121111331311211331333133313331333133313221211113313331333133311211323221   >>    C111112111133131121133133313331333133313331322121111331333133313331121132322   <<    C1111121111331311211331333133313331333133313221211113313331333133311211323223   >>      C1111121111331311211331333133313331333133313221211113313331333133311211323222   >>