B331133131323131133132233133313231333132333131211113313221323223321   >>    B33113313132313113313223313331323133313233313121111331322132322332   <<    B331133131323131133132233133313231333132333131211113313221323223323   >>      B331133131323131133132233133313231333132333131211113313221323223322   >>