C111123313331323113313331333133313331323123231333132313121123231   >>    C11112331333132311331333133313331333132312323133313231312112323   <<    C111123313331323113313331333133313331323123231333132313121123233   >>      C111123313331323113313331333133313331323123231333132313121123232   >>