C111113331333132322331333133313331311211331311331333132313232313131   >>    C11111333133313232233133313331333131121133131133133313231323231313   <<    C111113331333132322331333133313331311211331311331333132313232313133   >>      C111113331333132322331333133313331311211331311331333132313232313132   >>