D121211111122233131333131323121211111323132322331322132313231323132322321   >>    D12121111112223313133313132312121111132313232233132213231323132313232232   <<    D121211111122233131333131323121211111323132322331322132313231323132322323   >>      D121211111122233131333131323121211111323132322331322132313231323132322322   >>