D121212121213132322331323323132313231333132333131133132332111321   >>    D12121212121313232233132332313231323133313233313113313233211132   <<    D121212121213132322331323323132313231333132333131133132332111323   >>      D121212121213132322331323323132313231333132333131133132332111322   >>