B331133131323131133132233133313231333132233132313331323221323221323221121   >>    B33113313132313113313223313331323133313223313231333132322132322132322112   <<    B331133131323131133132233133313231333132233132313331323221323221323221123   >>      B331133131323131133132233133313231333132233132313331323221323221323221122   >>