I12313331323331323131333132213231323133313231311233132313232123311   >>    I1231333132333132313133313221323132313331323131123313231323212331   <<    I12313331323331323131333132213231323133313231311233132313232123313   >>      I12313331323331323131333132213231323133313231311233132313232123312   >>