B331133131323131133132233133313231323133313331331122132322123121   >>    B33113313132313113313223313331323132313331333133112213232212312   <<    B331133131323131133132233133313231323133313331331122132322123123   >>      B331133131323131133132233133313231323133313331331122132322123122   >>