I33132322131121133131323223313232113313113313233231333132322121   >>    I3313232213112113313132322331323211331311331323323133313232212   <<    I33132322131121133131323223313232113313113313233231333132322123   >>      I33132322131121133131323223313232113313113313233231333132322122   >>