C231311112223313112113313231111331322331323133313233313231322332321   >>    C23131111222331311211331323111133132233132313331323331323132233232   <<    C231311112223313112113313231111331322331323133313233313231322332323   >>      C231311112223313112113313231111331322331323133313233313231322332322   >>