C111113331333132322331333133313331331121111121133133313131131212321   >>    C11111333133313232233133313331333133112111112113313331313113121232   <<    C111113331333132322331333133313331331121111121133133313131131212323   >>      C111113331333132322331333133313331331121111121133133313131131212322   >>