D121212121213132322331323323132333131323221323133313231311211111   >>    D12121212121313232233132332313233313132322132313331323131121111   <<    D121212121213132322331323323132333131323221323133313231311211113   >>      D121212121213132322331323323132333131323221323133313231311211112   >>