I132313232233131333132223323132313231323223313223313231323221212231   >>    I13231323223313133313222332313231323132322331322331323132322121223   <<    I132313232233131333132223323132313231323223313223313231323221212233   >>      I132313232233131333132223323132313231323223313223313231323221212232   >>