C1111121111331311211331333133313331211111333133313331333113322331323221121121   >>    C111112111133131121133133313331333121111133313331333133311332233132322112112   <<    C1111121111331311211331333133313331211111333133313331333113322331323221121123   >>      C1111121111331311211331333133313331211111333133313331333113322331323221121122   >>