C231311112223313112113313231111331323131133133313232233132322112111   >>    C23131111222331311211331323111133132313113313331323223313232211211   <<    C231311112223313112113313231111331323131133133313232233132322112113   >>      C231311112223313112113313231111331323131133133313232233132322112112   >>