C1111233133313231133133313231333133313113313113313331312322123231   >>    C111123313331323113313331323133313331311331311331333131232212323   <<    C1111233133313231133133313231333133313113313113313331312322123233   >>      C1111233133313231133133313231333133313113313113313331312322123232   >>