I12313331323331323131333132213231323133313231311233132333132332313231221   >>    I1231333132333132313133313221323132313331323131123313233313233231323122   <<    I12313331323331323131333132213231323133313231311233132333132332313231223   >>      I12313331323331323131333132213231323133313231311233132333132332313231222   >>