I13231323223313133313222332313231323133313132322331323133112121   >>    I1323132322331313331322233231323132313331313232233132313311212   <<    I13231323223313133313222332313231323133313132322331323133112123   >>      I13231323223313133313222332313231323133313132322331323133112122   >>