I12313331323331323131331123231323133313233313232333131333131121211   >>    I1231333132333132313133112323132313331323331323233313133313112121   <<    I12313331323331323131331123231323133313233313232333131333131121213   >>      I12313331323331323131331123231323133313233313232333131333131121212   >>