B331133131323131133132233133313231313231333132322331311223132323321   >>    B33113313132313113313223313331323131323133313232233131122313232332   <<    B331133131323131133132233133313231313231333132322331311223132323323   >>      B331133131323131133132233133313231313231333132322331311223132323322   >>