C33331211113313331211113313331333133313113311233133313331323213223313331121221   >>    C3333121111331333121111331333133313331311331123313331333132321322331333112122   <<    C33331211113313331211113313331333133313113311233133313331323213223313331121223   >>      C33331211113313331211113313331333133313113311233133313331323213223313331121222   >>