B331133131323131133132233133313231323331323323133313331333132322133313222121   >>    B33113313132313113313223313331323132333132332313331333133313232213331322212   <<    B331133131323131133132233133313231323331323323133313331333132322133313222123   >>      B331133131323131133132233133313231323331323323133313331333132322133313222122   >>