C3131313233313113313223313223313112113313231323111133132313331311331322211   >>    C313131323331311331322331322331311211331323132311113313231333131133132221   <<    C3131313233313113313223313223313112113313231323111133132313331311331322213   >>      C3131313233313113313223313223313112113313231323111133132313331311331322212   >>