B331133131323131133132233133313231333132233132313331333131323223313232111221   >>    B33113313132313113313223313331323133313223313231333133313132322331323211122   <<    B331133131323131133132233133313231333132233132313331333131323223313232111223   >>      B331133131323131133132233133313231333132233132313331333131323223313232111222   >>