I33132322131121133131323223313232113313113313233231333132313231323221221   >>    I3313232213112113313132322331323211331311331323323133313231323132322122   <<    I33132322131121133131323223313232113313113313233231333132313231323221223   >>      I33132322131121133131323223313232113313113313233231333132313231323221222   >>