I12313331323331323131333132213231323133313231311233132322333221   >>    I1231333132333132313133313221323132313331323131123313232233322   <<    I12313331323331323131333132213231323133313231311233132322333223   >>      I12313331323331323131333132213231323133313231311233132322333222   >>