B331322121123313232233132112323331323133313223313331333132313231312111113311221   >>    B33132212112331323223313211232333132313331322331333133313231323131211111331122   <<    B331322121123313232233132112323331323133313223313331333132313231312111113311223   >>      B331322121123313232233132112323331323133313223313331333132313231312111113311222   >>