B331133131323131133132233133313231313231333132322331313331333131213111   >>    B33113313132313113313223313331323131323133313232233131333133313121311   <<    B331133131323131133132233133313231313231333132322331313331333131213113   >>      B331133131323131133132233133313231313231333132322331313331333131213112   >>