I12313331323331323131333132213231323133313231311233132333132311212331   >>    I1231333132333132313133313221323132313331323131123313233313231121233   <<    I12313331323331323131333132213231323133313231311233132333132311212333   >>      I12313331323331323131333132213231323133313231311233132333132311212332   >>