B331133131323131133132233133313231333132333131211113313232233132322113121   >>    B33113313132313113313223313331323133313233313121111331323223313232211312   <<    B331133131323131133132233133313231333132333131211113313232233132322113123   >>      B331133131323131133132233133313231333132333131211113313232233132322113122   >>