C11111333133313232233133313331333133313231313131211113313221333132313123231   >>    C1111133313331323223313331333133313331323131313121111331322133313231312323   <<    C11111333133313232233133313331333133313231313131211113313221333132313123233   >>      C11111333133313232233133313331333133313231313131211113313221333132313123232   >>