C111113331333132322331333133313331333132313131312111133133313331322232223221   >>    C11111333133313232233133313331333133313231313131211113313331333132223222322   <<    C111113331333132322331333133313331333132313131312111133133313331322232223223   >>      C111113331333132322331333133313331333132313131312111133133313331322232223222   >>