C111113331333132322331333133313331311211331311331333132322212331   >>    C11111333133313232233133313331333131121133131133133313232221233   <<    C111113331333132322331333133313331311211331311331333132322212333   >>      C111113331333132322331333133313331311211331311331333132322212332   >>