C1111133313331323223313331333133313311211111211331333131211111212111111331   >>    C111113331333132322331333133313331331121111121133133313121111121211111133   <<    C1111133313331323223313331333133313311211111211331333131211111212111111333   >>      C1111133313331323223313331333133313311211111211331333131211111212111111332   >>