B331133131323131133132233133313231323131133223313231133132332322121   >>    B33113313132313113313223313331323132313113322331323113313233232212   <<    B331133131323131133132233133313231323131133223313231133132332322123   >>      B331133131323131133132233133313231323131133223313231133132332322122   >>