C231311112223313112113313231111331322331323133313233313232233312331   >>    C23131111222331311211331323111133132233132313331323331323223331233   <<    C231311112223313112113313231111331322331323133313233313232233312333   >>      C231311112223313112113313231111331322331323133313233313232233312332   >>