D331212121133131333131323223313232213233313232211211331323132221   >>    D33121212113313133313132322331323221323331323221121133132313222   <<    D331212121133131333131323223313232213233313232211211331323132223   >>      D331212121133131333131323223313232213233313232211211331323132222   >>