C1111121111331311211331333133313331323132322331333131133131121223213113121   >>    C111112111133131121133133313331333132313232233133313113313112122321311312   <<    C1111121111331311211331333133313331323132322331333131133131121223213113123   >>      C1111121111331311211331333133313331323132322331333131133131121223213113122   >>