I132313232233131333132223323132313231323223313223313233313233311211   >>    I13231323223313133313222332313231323132322331322331323331323331121   <<    I132313232233131333132223323132313231323223313223313233313233311213   >>      I132313232233131333132223323132313231323223313223313233313233311212   >>