C1111121111331311211331333133313331333133312113121111113313331322331333112121   >>    C111112111133131121133133313331333133313331211312111111331333132233133311212   <<    C1111121111331311211331333133313331333133312113121111113313331322331333112123   >>      C1111121111331311211331333133313331333133312113121111113313331322331333112122   >>