C111123313331323113313331333133313331323133113313331323132313231311111121   >>    C11112331333132311331333133313331333132313311331333132313231323131111112   <<    C111123313331323113313331333133313331323133113313331323132313231311111123   >>      C111123313331323113313331333133313331323133113313331323132313231311111122   >>