C11111333133313232233133313331333132313231121133132312323132313113231   >>    C1111133313331323223313331333133313231323112113313231232313231311323   <<    C11111333133313232233133313331333132313231121133132312323132313113233   >>      C11111333133313232233133313331333132313231121133132312323132313113232   >>