C3131313233313113313223313223313112113313231323111133132313331323331323221111   >>    C313131323331311331322331322331311211331323132311113313231333132333132322111   <<    C3131313233313113313223313223313112113313231323111133132313331323331323221113   >>      C3131313233313113313223313223313112113313231323111133132313331323331323221112   >>