B331133131323131133132233133313231333132233132313331333133311213331323221323121   >>    B33113313132313113313223313331323133313223313231333133313331121333132322132312   <<    B331133131323131133132233133313231333132233132313331333133311213331323221323123   >>      B331133131323131133132233133313231333132233132313331333133311213331323221323122   >>