I12313331323331323131333132213231323133313231311233131323132231   >>    I1231333132333132313133313221323132313331323131123313132313223   <<    I12313331323331323131333132213231323133313231311233131323132233   >>      I12313331323331323131333132213231323133313231311233131323132232   >>