I331323221313233313132322231323132322331313331323131111233132313311212121   >>    I33132322131323331313232223132313232233131333132313111123313231331121212   <<    I331323221313233313132322231323132322331313331323131111233132313311212123   >>      I331323221313233313132322231323132322331313331323131111233132313311212122   >>