I331323221311211331313233313331323132322132313231333132322331323112121   >>    I33132322131121133131323331333132313232213231323133313232233132311212   <<    I331323221311211331313233313331323132322132313231333132322331323112123   >>      I331323221311211331313233313331323132322132313231333132322331323112122   >>