I12313331323331323131333132213231323133313231311233132322231321   >>    I1231333132333132313133313221323132313331323131123313232223132   <<    I12313331323331323131333132213231323133313231311233132322231323   >>      I12313331323331323131333132213231323133313231311233132322231322   >>