D121212121213132333131232313232233131323223313232233131133132311211321   >>    D12121212121313233313123231323223313132322331323223313113313231121132   <<    D121212121213132333131232313232233131323223313232233131133132311211323   >>      D121212121213132333131232313232233131323223313232233131133132311211322   >>