B331133131323131133132233133313231333132333131211113313221322121   >>    B33113313132313113313223313331323133313233313121111331322132212   <<    B331133131323131133132233133313231333132333131211113313221322123   >>      B331133131323131133132233133313231333132333131211113313221322122   >>