C11111333133313232233133313331333133313231313131211113313231323231123231   >>    C1111133313331323223313331333133313331323131313121111331323132323112323   <<    C11111333133313232233133313331333133313231313131211113313231323231123233   >>      C11111333133313232233133313331333133313231313131211113313231323231123232   >>