C111123313121111121111331333133313331323112113313231311331323133313331322121221   >>    C11112331312111112111133133313331333132311211331323131133132313331333132212122   <<    C111123313121111121111331333133313331323112113313231311331323133313331322121223   >>      C111123313121111121111331333133313331323112113313231311331323133313331322121222   >>