C111113331333132322331333133313331331121111121133133313131211231   >>    C11111333133313232233133313331333133112111112113313331313121123   <<    C111113331333132322331333133313331331121111121133133313131211233   >>      C111113331333132322331333133313331331121111121133133313131211232   >>