B331133131323131133132233133313231313231333132322331323221333132333132322113121   >>    B33113313132313113313223313331323131323133313232233132322133313233313232211312   <<    B331133131323131133132233133313231313231333132322331323221333132333132322113123   >>      B331133131323131133132233133313231313231333132322331323221333132333132322113122   >>