D331212121133132233131323223313233313233313223313233313231213221   >>    D33121212113313223313132322331323331323331322331323331323121322   <<    D331212121133132233131323223313233313233313223313233313231213223   >>      D331212121133132233131323223313233313233313223313233313231213222   >>