C231311112223313112113313231111331322331323133313233313232333131   >>    C23131111222331311211331323111133132233132313331323331323233313   <<    C231311112223313112113313231111331322331323133313233313232333133   >>      C231311112223313112113313231111331322331323133313233313232333132   >>