C111113331333132322331333133313331323132313231211113313113313232131221   >>    C11111333133313232233133313331333132313231323121111331311331323213122   <<    C111113331333132322331333133313331323132313231211113313113313232131223   >>      C111113331333132322331333133313331323132313231211113313113313232131222   >>