B331133131323131133132233133313231323133313132322331313331333132333131333131221   >>    B33113313132313113313223313331323132313331313232233131333133313233313133313122   <<    B331133131323131133132233133313231323133313132322331313331333132333131333131223   >>      B331133131323131133132233133313231323133313132322331313331333132333131333131222   >>