C1111233133313231133133313231333132313231323223313231333131133112331311331211   >>    C111123313331323113313331323133313231323132322331323133313113311233131133121   <<    C1111233133313231133133313231333132313231323223313231333131133112331311331213   >>      C1111233133313231133133313231333132313231323223313231333131133112331311331212   >>