C1111233133313231133133313331333133313231323331323331323131111221   >>    C111123313331323113313331333133313331323132333132333132313111122   <<    C1111233133313231133133313331333133313231323331323331323131111223   >>      C1111233133313231133133313331333133313231323331323331323131111222   >>