C231311112223313112113313231111331322331323133313233313232112322131   >>    C23131111222331311211331323111133132233132313331323331323211232213   <<    C231311112223313112113313231111331322331323133313233313232112322133   >>      C231311112223313112113313231111331322331323133313233313232112322132   >>