D121211111111233131333131333132311313231323223313231323212331322233231   >>    D12121111111123313133313133313231131323132322331323132321233132223323   <<    D121211111111233131333131333132311313231323223313231323212331322233233   >>      D121211111111233131333131333132311313231323223313231323212331322233232   >>