C11111333133313232233133313331333133313231313131211113313331333132223132322231   >>    C1111133313331323223313331333133313331323131313121111331333133313222313232223   <<    C11111333133313232233133313331333133313231313131211113313331333132223132322233   >>      C11111333133313232233133313331333133313231313131211113313331333132223132322232   >>