B331322121123313232233132112323331323133313223313331333132313231132221   >>    B33132212112331323223313211232333132313331322331333133313231323113222   <<    B331322121123313232233132112323331323133313223313331333132313231132223   >>      B331322121123313232233132112323331323133313223313331333132313231132222   >>