C111123313331323113313331333133313331323132333132313221323132313221   >>    C11112331333132311331333133313331333132313233313231322132313231322   <<    C111123313331323113313331333133313331323132333132313221323132313223   >>      C111123313331323113313331333133313331323132333132313221323132313222   >>