I132313232233131333132223323132313231323132313223313231323231121   >>    I13231323223313133313222332313231323132313231322331323132323112   <<    I132313232233131333132223323132313231323132313223313231323231123   >>      I132313232233131333132223323132313231323132313223313231323231122   >>