D331311321221323131323331323232132313232233131333132333132332322121   >>    D33131132122132313132333132323213231323223313133313233313233232212   <<    D331311321221323131323331323232132313232233131333132333132332322123   >>      D331311321221323131323331323232132313232233131333132333132332322122   >>