B331133131323131133132233133313231323223313231313331333131133121   >>    B33113313132313113313223313331323132322331323131333133313113312   <<    B331133131323131133132233133313231323223313231313331333131133123   >>      B331133131323131133132233133313231323223313231313331333131133122   >>