B331133131323131133132233133313231333132212113313331333132311213121   >>    B33113313132313113313223313331323133313221211331333133313231121312   <<    B331133131323131133132233133313231333132212113313331333132311213123   >>      B331133131323131133132233133313231333132212113313331333132311213122   >>