C3131313233313113313223313223313112113313231323111133132313331313232223221   >>    C313131323331311331322331322331311211331323132311113313231333131323222322   <<    C3131313233313113313223313223313112113313231323111133132313331313232223223   >>      C3131313233313113313223313223313112113313231323111133132313331313232223222   >>