C121122333132233131232313113313222313231323133313232212323132131   >>    C12112233313223313123231311331322231323132313331323221232313213   <<    C121122333132233131232313113313222313231323133313232212323132133   >>      C121122333132233131232313113313222313231323133313232212323132132   >>