B331133131323131133132233133313231333132212113313331333132322132231221   >>    B33113313132313113313223313331323133313221211331333133313232213223122   <<    B331133131323131133132233133313231333132212113313331333132322132231223   >>      B331133131323131133132233133313231333132212113313331333132322132231222   >>