C1111121111331311211331333133313331333131211111333132233131332321   >>    C111112111133131121133133313331333133313121111133313223313133232   <<    C1111121111331311211331333133313331333131211111333132233131332323   >>      C1111121111331311211331333133313331333131211111333132233131332322   >>