B331322121123313232233132112323331323133313223313331333132313231311131211   >>    B33132212112331323223313211232333132313331322331333133313231323131113121   <<    B331322121123313232233132112323331323133313223313331333132313231311131213   >>      B331322121123313232233132112323331323133313223313331333132313231311131212   >>