C31333131123313331311233133313231333132313232233133313331312111221   >>    C3133313112331333131123313331323133313231323223313331333131211122   <<    C31333131123313331311233133313231333132313232233133313331312111223   >>      C31333131123313331311233133313231333132313232233133313331312111222   >>