C3133313112331333131123313331323133313231323223313231313232233131   >>    C313331311233133313112331333132313331323132322331323131323223313   <<    C3133313112331333131123313331323133313231323223313231313232233133   >>      C3133313112331333131123313331323133313231323223313231313232233132   >>