B331133131323131133132233133313231313231333132322331333132313231321121   >>    B33113313132313113313223313331323131323133313232233133313231323132112   <<    B331133131323131133132233133313231313231333132322331333132313231321123   >>      B331133131323131133132233133313231313231333132322331333132313231321122   >>