B331133131323131133132233133313231333132233132313331333131313221231   >>    B33113313132313113313223313331323133313223313231333133313131322123   <<    B331133131323131133132233133313231333132233132313331333131313221233   >>      B331133131323131133132233133313231333132233132313331333131313221232   >>