C3131313233313113313223313223313112113313231323111133132313331313223321   >>    C313131323331311331322331322331311211331323132311113313231333131322332   <<    C3131313233313113313223313223313112113313231323111133132313331313223323   >>      C3131313233313113313223313223313112113313231323111133132313331313223322   >>