C1111121111331311211331333133313331333133313232212111112111113331322321   >>    C111112111133131121133133313331333133313331323221211111211111333132232   <<    C1111121111331311211331333133313331333133313232212111112111113331322323   >>      C1111121111331311211331333133313331333133313232212111112111113331322322   >>