C11111333133313232233133313331333133313231313131211111133132313231111331   >>    C1111133313331323223313331333133313331323131313121111113313231323111133   <<    C11111333133313232233133313331333133313231313131211111133132313231111333   >>      C11111333133313232233133313331333133313231313131211111133132313231111332   >>