B331133131323131133132233133313231333132212113313331333131211111213221   >>    B33113313132313113313223313331323133313221211331333133313121111121322   <<    B331133131323131133132233133313231333132212113313331333131211111213223   >>      B331133131323131133132233133313231333132212113313331333131211111213222   >>